@inbook{51486,
  author       = {{Hilgert, Joachim}},
  booktitle    = {{Probability and Baysian Statistics}},
  editor       = {{Viertl, R.}},
  publisher    = {{Plenum Press}},
  title        = {{{Maximal Semigroups and the Support of Gauss-Semigroups}}},
  year         = {{1987}},
}

@article{51452,
  author       = {{Hilgert, Joachim}},
  journal      = {{Archiv Math.}},
  pages        = {{189--195}},
  title        = {{{Maximal Semigroups and Controllability in Products of Lie Groups}}},
  volume       = {{49}},
  year         = {{1987}},
}

@inbook{51487,
  author       = {{Hilgert, Joachim and Hofmann, K.H.}},
  booktitle    = {{Aspects of Positivity in Functional Analysis}},
  editor       = {{Nagel, R.}},
  publisher    = {{North Holland}},
  title        = {{{Invariant Cones in Real Lie Algebras}}},
  year         = {{1986}},
}

@article{51454,
  author       = {{Hilgert, Joachim}},
  journal      = {{Studia Math.}},
  pages        = {{97--104}},
  title        = {{{The Mayer-Vietoris and the Puppe Sequence in K-Theory for C*-algebras}}},
  volume       = {{83}},
  year         = {{1986}},
}

@article{51453,
  author       = {{Hilgert, Joachim and Hofmann, K.H.}},
  journal      = {{Geom. Dedicata}},
  pages        = {{205--217}},
  title        = {{{On the Automorphism Group of Cones and Wedges}}},
  volume       = {{21}},
  year         = {{1986}},
}

@article{51455,
  author       = {{Hilgert, Joachim and Hofmann, K.H.}},
  journal      = {{J. Funct. Anal.}},
  pages        = {{1--27}},
  title        = {{{On Sophus Lie's Fundamental Theorem}}},
  volume       = {{67}},
  year         = {{1986}},
}

@article{51456,
  author       = {{Hilgert, Joachim and Hofmann, K.H. and Lawson, J.D.}},
  journal      = {{Beiträge Alg. Geom.}},
  pages        = {{185--190}},
  title        = {{{Controllabilty of Systems on Nilpotent Lie Groups}}},
  volume       = {{20}},
  year         = {{1985}},
}

@article{51458,
  author       = {{Hilgert, Joachim and Hofmann, K.H.}},
  journal      = {{Trans. AMS}},
  pages        = {{481--504}},
  title        = {{{Semigroups in Lie Groups, Semialgebras in Lie Algebras}}},
  volume       = {{288}},
  year         = {{1985}},
}

@article{51457,
  author       = {{Hilgert, Joachim and Hofmann, K.H.}},
  journal      = {{Monatshefte Math.}},
  pages        = {{183--210}},
  title        = {{{Lorentzian Cones in Real Lie Algebras}}},
  volume       = {{100}},
  year         = {{1985}},
}

@article{51460,
  author       = {{Hilgert, Joachim and Hofmann, K.H.}},
  journal      = {{Math. Ann.}},
  pages        = {{97--103}},
  title        = {{{Lie Semialgebras are Real Phenomena}}},
  volume       = {{270}},
  year         = {{1985}},
}

@article{51459,
  author       = {{Hilgert, Joachim and Hofmann, K.H.}},
  journal      = {{Manuscripta Math.}},
  pages        = {{17--52}},
  title        = {{{Old and New on SL(2)}}},
  volume       = {{54}},
  year         = {{1985}},
}

@article{51461,
  author       = {{Hilgert, Joachim and Hofmann, K.H.}},
  journal      = {{Semigroup Forum}},
  pages        = {{243--251}},
  title        = {{{Lie Theory of Semigroups}}},
  volume       = {{30}},
  year         = {{1984}},
}

@inbook{56734,
  author       = {{Biehler, Rolf}},
  booktitle    = {{Teaching and Applying Mathematical Modelling}},
  editor       = {{Berry, J.S. and Burghes, D.N. and Huntley, I.D. and James, D.J.G. and Moscadini, A.O.}},
  pages        = {{117–130}},
  publisher    = {{Ellis Horwood}},
  title        = {{{Exploratory data analysis-A new field of applied mathematics}}},
  year         = {{1984}},
}

@inbook{56735,
  author       = {{Biehler, Rolf}},
  booktitle    = {{Zum 10jährigen Bestehen des IDM}},
  pages        = {{116--154}},
  title        = {{{Neuere Entwicklungen in der Datenanalyse und Statistik - ihr wissenschaftstheoretisches Verständ-nis und Implikationen für die Fachdidaktik}}},
  year         = {{1984}},
}

@inbook{56736,
  author       = {{Biehler, Rolf}},
  booktitle    = {{Beiträge zum Mathematikunterricht 1984}},
  pages        = {{83--85}},
  publisher    = {{Franzbecker}},
  title        = {{{Graphische Darstellungen in Wissenschaft, Medien und Unterricht}}},
  year         = {{1984}},
}

@inbook{56731,
  author       = {{Biehler, Rolf}},
  booktitle    = {{Proceedings of the Fourth International Congress on Mathematical Education}},
  editor       = {{Zweng, M.}},
  pages        = {{291--293}},
  publisher    = {{Birkhäuser}},
  title        = {{{The mathematization of situations outside mathematics from an educational point of view}}},
  year         = {{1983}},
}

@inbook{56733,
  author       = {{Biehler, Rolf and Beck, U. and Kaiser, G.}},
  booktitle    = {{An International Review of Applications in School Mathematics: the Elusive El Dorado}},
  editor       = {{Burkhardt, H.}},
  pages        = {{68--93}},
  publisher    = {{ERIC}},
  title        = {{{Review of Applications in School Mathematics: National Report Federal Republic of Germany}}},
  year         = {{1983}},
}

@inbook{56732,
  author       = {{Biehler, Rolf}},
  booktitle    = {{Beiträge zum Mathematikunterricht 1983}},
  pages        = {{72--75}},
  publisher    = {{Franzbecker}},
  title        = {{{Explorative Datenanalyse - Neue Impulse für den Mathematikunterricht?}}},
  year         = {{1983}},
}

@article{56250,
  author       = {{Biehler, Rolf}},
  journal      = {{International Journal of Mathematics Education in Science and Technology}},
  number       = {{2}},
  pages        = {{199--216}},
  title        = {{{The role of applications of mathematics in the theory and practice of mathematics education in the Federal Republic of Germany - a report on literature, projects, and ideas}}},
  volume       = {{13}},
  year         = {{1982}},
}

@article{56729,
  author       = {{Biehler, Rolf}},
  journal      = {{IDM Materialien und Studien 24}},
  publisher    = {{Universität Bielefeld, Institut für Didaktik der Mathematik}},
  title        = {{{Explorative Datenanalyse: eine Untersuchung aus der Perspektive einer deskriptiv-empirischen Wissenschaftstheorie}}},
  year         = {{1982}},
}