@inbookHilgert_1991, place=Wien, title=Group Theoretical Aspects of Gödels Model, booktitle=Jahrbuch der Gödel Gesellschaft, author=Hilgert, Joachim, editor=Hilgert, Joachim, year=1991 

@articleHilgert_1991, title=Infinitesimally Generated Subsemigroups of Motion Groups, volume=21, journal=Rocky Mount. J. Math., author=Hilgert, Joachim, year=1991, pages=865–878 

@bookHilgert_Neeb_1991, place=Wiesbaden, title=Lie-Gruppen und Lie-Algebren, publisher=Vieweg Verlag, year=1991 

@articleHilgert_1991, title=Onishchik, A.L., und E.B. Vinberg. Lie Groups and Algebraic Groups (Springer, New York, 1990), volume=722, journal=Zentralblatt, author=Hilgert, Joachim, year=1991 

@inproceedingsRösler_1991, title=On optimal linear mean estimators for weakly stationary stochastic processes, booktitle=Orthogonal polynomials and their applications (Erice, 1990), publisher=IMACS Ann. Comput. Appl. Math., 9,, author=Rösler, Margit, year=1991, pages=373–378 

@inbookHilgert_1990, place=Berlin, title=Applications of Lie Semigroups in Analysis, booktitle=The Analytical and Topological Theory of Semigroups, publisher=De Gruyter, author=Hilgert, Joachim, editor=Hofmann, K.H. and et al., year=1990 

@articleHilgert_Hofmann_1990, title=On the Causal Structure of Homogeneous Manifolds, volume=67, journal=Math. Scand., author=Hilgert, Joachim and Hofmann, K.H., year=1990, pages=119–144 

@articleDellnitz_Werner_1989, title=Computational methods for bifurcation problems with symmetries—with special attention to steady state and Hopf bifurcation points, DOI=10.1016/0377-0427(89)90150-7, journal=Journal of Computational and Applied Mathematics, author=Dellnitz, Michael and Werner, Bodo, year=1989, pages=97–123 

@articleHilgert_Hofmann_1989, title=Compactly Embedded Cartan Algebras and Invariant Cones in Lie Algebras, volume=75, journal=Advances Math., author=Hilgert, Joachim and Hofmann, K.H., year=1989, pages=168–201 

@articleHilgert_1989, title=A Note on Howe’s Oscillator Semigroup, volume=39, journal=Ann. Inst. Fourier, author=Hilgert, Joachim, year=1989, pages=663–688 

@bookHilgert_Hofmann_Lawson_1989, place=Oxford, title=Lie Groups, Convex Cones, and Semigroups, publisher=Oxford University Press, year=1989 

@inbookHilgert_1988, place=New York, series=Lecture Notes in Physics, title=Spectrally Ordered Lie Algebras, volume=313, booktitle=Group Theoretical Methods in Physics, publisher=Springer, author=Hilgert, Joachim, editor=Doebner, H.D. and et al., year=1988, collection=Lecture Notes in Physics 

@articleHilgert_1988, title=Invariant Lorentzian Orders on Simply Connected Lie Groups, volume=26, journal=Arkiv för mat., author=Hilgert, Joachim, year=1988, pages=107–115 

@articleHilgert_Hofmann_1988, title=Classification of Invariant Cones in Real Lie Algebras, volume=11, journal=Bull. AMS, author=Hilgert, Joachim and Hofmann, K.H., year=1988, pages=441–446 

@articleHilgert_Hofmann_1988, title=Invariant Cones in Lie Algebras, journal=Semigroup Forum 37l. Semigroup Forum, author=Hilgert, Joachim and Hofmann, K.H., year=1988, pages=241–252 

@inbookHilgert_1987, place=New York, title=Maximal Semigroups and the Support of Gauss-Semigroups, booktitle=Probability and Baysian Statistics, publisher=Plenum Press, author=Hilgert, Joachim, editor=Viertl, R., year=1987 

@articleHilgert_1987, title=Maximal Semigroups and Controllability in Products of Lie Groups, volume=49, journal=Archiv Math., author=Hilgert, Joachim, year=1987, pages=189–195 

@inbookHilgert_Hofmann_1986, title=Invariant Cones in Real Lie Algebras, booktitle=Aspects of Positivity in Functional Analysis, publisher=North Holland, author=Hilgert, Joachim and Hofmann, K.H., editor=Nagel, R. and et al., year=1986 

@articleHilgert_1986, title=The Mayer-Vietoris and the Puppe Sequence in K-Theory for C*-algebras, volume=83, journal=Studia Math., author=Hilgert, Joachim, year=1986, pages=97–104 

@articleHilgert_Hofmann_1986, title=On the Automorphism Group of Cones and Wedges, volume=21, journal=Geom. Dedicata, author=Hilgert, Joachim and Hofmann, K.H., year=1986, pages=205–217 

@articleHilgert_Hofmann_1986, title=On Sophus Lie’s Fundamental Theorem, volume=67, journal=J. Funct. Anal., author=Hilgert, Joachim and Hofmann, K.H., year=1986, pages=1–27 

@articleHilgert_Hofmann_Lawson_1985, title=Controllabilty of Systems on Nilpotent Lie Groups, volume=20, journal=Beiträge Alg. Geom., author=Hilgert, Joachim and Hofmann, K.H. and Lawson, J.D., year=1985, pages=185–190 

@articleHilgert_Hofmann_1985, title=Semigroups in Lie Groups, Semialgebras in Lie Algebras, volume=288, journal=Trans. AMS, author=Hilgert, Joachim and Hofmann, K.H., year=1985, pages=481–504 

@articleHilgert_Hofmann_1985, title=Lorentzian Cones in Real Lie Algebras, volume=100, journal=Monatshefte Math., author=Hilgert, Joachim and Hofmann, K.H., year=1985, pages=183–210 

@articleHilgert_Hofmann_1985, title=Lie Semialgebras are Real Phenomena, volume=270, journal=Math. Ann., author=Hilgert, Joachim and Hofmann, K.H., year=1985, pages=97–103 

@articleHilgert_Hofmann_1985, title=Old and New on SL(2), volume=54, journal=Manuscripta Math., author=Hilgert, Joachim and Hofmann, K.H., year=1985, pages=17–52 

@articleHilgert_Hofmann_1984, title=Lie Theory of Semigroups, volume=30, journal=Semigroup Forum, author=Hilgert, Joachim and Hofmann, K.H., year=1984, pages=243–251