M. Dellnitz, J. E. Marsden, I. Melbourne, and J. Scheurle, “Generic Bifurcations of Pendula,” in Bifurcation and Symmetry, Basel, 1992.
LibreCat: /record/16547
DOI: 10.1007/978-3-0348-7536-3_10

M. Dellnitz, I. Melbourne, and J. E. Marsden, “Generic bifurcation of Hamiltonian vector fields with symmetry,” Nonlinearity, pp. 979–996, 1992.
LibreCat: /record/16548
DOI: 10.1088/0951-7715/5/4/008

M. Dellnitz, “Computational bifurcation of periodic solutions in systems with symmetry,” IMA Journal of Numerical Analysis, vol. 12, no. 3, pp. 429–455, 1992.
LibreCat: /record/17012
DOI: 10.1093/imanum/12.3.429

J. Hilgert, “Fomenko, A.T. Symplectic Geometry (Gordon and Breach, 1988),” JBer. DMV, vol. 94. 1992.
LibreCat: /record/51585

J. Hilgert and G. Ólafsson, “Analytic Extensions of Representations, the Solvable Case,” Japan. J. Math., vol. 18, pp. 213–290, 1992.
LibreCat: /record/51442

J. Hilgert, “Controllability on Real Reductive Groups,” Math. Zeitschrift, vol. 209, pp. 463–466, 1992.
LibreCat: /record/51443

R. Lasser and M. Rösler, “Linear mean estimation of weakly stationary stochastic processes under the aspects of optimality and asymptotic optimality,”10.1016/0304-4149(91)90095-t__Stochastic Processes and their Applications, vol. 38, no. 2, pp. 279–293, 1991, doi:10.1016/0304-4149(91)90095-t .
LibreCat: /record/40218
DOI: 10.1016/0304-4149(91)90095-t

J. Hilgert, “Varadarajan, V.S. An Introduction to Harmonic Analysis on Semisimple Lie Groups (Cambridge University Press, 1989),” JBer. DMV, vol. 94, no. 4. 1991.
LibreCat: /record/51588

J. Hilgert, “Terras, A. Harmonic Analysis on Symmetric Spaces I and II (Springer, New York, 1985 und 1988),” JBer. DMV, vol. 93, no. 2. 1991.
LibreCat: /record/51589

J. Hilgert, G. Ólafsson, and B. Orsted, “Hardy Spaces on Affine Symmetric Spaces,” J. reine und angew. Math., vol. 415, pp. 189–218, 1991.
LibreCat: /record/51445

J. Hilgert, “Group Theoretical Aspects of Gödels Model,” in Jahrbuch der Gödel Gesellschaft, J. Hilgert, Ed. Wien, 1991.
LibreCat: /record/51483

J. Hilgert, “Infinitesimally Generated Subsemigroups of Motion Groups,” Rocky Mount. J. Math., vol. 21, pp. 865–878, 1991.
LibreCat: /record/51444

J. Hilgert and K.-H. Neeb, Eds., Lie-Gruppen und Lie-Algebren. Wiesbaden: Vieweg Verlag, 1991.
LibreCat: /record/51497

J. Hilgert, “Onishchik, A.L., und E.B. Vinberg. Lie Groups and Algebraic Groups (Springer, New York, 1990),” Zentralblatt, vol. 722. 1991.
LibreCat: /record/51586

M. Rösler, “On optimal linear mean estimators for weakly stationary stochastic processes,” in Orthogonal polynomials and their applications (Erice, 1990), 1991, pp. 373–378.
LibreCat: /record/40656

J. Hilgert, “Applications of Lie Semigroups in Analysis,” in The Analytical and Topological Theory of Semigroups, K. H. Hofmann and et al., Eds. Berlin: De Gruyter, 1990.
LibreCat: /record/51484

J. Hilgert and K. H. Hofmann, “On the Causal Structure of Homogeneous Manifolds,” Math. Scand., vol. 67, pp. 119–144, 1990.
LibreCat: /record/51446

M. Dellnitz and B. Werner, “Computational methods for bifurcation problems with symmetries—with special attention to steady state and Hopf bifurcation points,” Journal of Computational and Applied Mathematics, pp. 97–123, 1989.
LibreCat: /record/16682
DOI: 10.1016/0377-0427(89)90150-7

J. Hilgert and K. H. Hofmann, “Compactly Embedded Cartan Algebras and Invariant Cones in Lie Algebras,” Advances Math., vol. 75, pp. 168–201, 1989.
LibreCat: /record/51448

J. Hilgert, “A Note on Howe’s Oscillator Semigroup,” Ann. Inst. Fourier, vol. 39, pp. 663–688, 1989.
LibreCat: /record/51447