Dellnitz, Michael. “Computational Bifurcation of Periodic Solutions in Systems with Symmetry.”10.1093/imanum/12.3.429__IMA Journal of Numerical Analysis, vol. 12, no. 3, 1992, pp. 429–55, doi:10.1093/imanum/12.3.429.
LibreCat: /record/17012
DOI: 10.1093/imanum/12.3.429

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

Hilgert, Joachim, and G. Ólafsson. “Analytic Extensions of Representations, the Solvable Case.” Japan. J. Math., vol. 18, 1992, pp. 213–90.
LibreCat: /record/51442

Hilgert, Joachim. “Controllability on Real Reductive Groups.” Math. Zeitschrift, vol. 209, 1992, pp. 463–66.
LibreCat: /record/51443

Lasser, R., and Margit 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, Elsevier BV, 1991, pp. 279–93, doi:10.1016/0304-4149(91)90095-t.
LibreCat: /record/40218
DOI: 10.1016/0304-4149(91)90095-t

Hilgert, Joachim. “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

Hilgert, Joachim. “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

Hilgert, Joachim, et al. “Hardy Spaces on Affine Symmetric Spaces.” J. Reine Und Angew. Math., vol. 415, 1991, pp. 189–218.
LibreCat: /record/51445

Hilgert, Joachim. “Group Theoretical Aspects of Gödels Model.” Jahrbuch Der Gödel Gesellschaft, edited by Joachim Hilgert, 1991.
LibreCat: /record/51483

Hilgert, Joachim. “Infinitesimally Generated Subsemigroups of Motion Groups.” Rocky Mount. J. Math., vol. 21, 1991, pp. 865–78.
LibreCat: /record/51444