Strauss, Aaron; Yorke, James A. On asymptotically autonomous differential equations. (English) Zbl 0189.38502 Math. Syst. Theory 1, 175-182 (1967). Reviewer: Nam P. Bhatia (Cleveland) MSC: 34-XX × Cite Format Result Cite Review PDF Full Text: DOI
Aĭzengendler, P. G.; Vaĭnberg, M. M. Branching of periodic solutions of autonomous systems and of differential equations in Banach spaces. (English. Russian original) Zbl 0184.18101 Sov. Math., Dokl. 8, 1013-1017 (1967); translation from Dokl. Akad. Nauk SSSR 176, 9-12 (1967). MSC: 34C25 34G10 × Cite Format Result Cite Review PDF
Shil’nikov, L. P. The existence of a denumerable set of periodic motions in four-dimensional space in an extended neighborhood of a saddle-focus. (English. Russian original) Zbl 0155.41805 Sov. Math., Dokl. 8, 54-58 (1967); translation from Dokl. Akad. Nauk SSSR 172, 54-57 (1967). Reviewer: Fred Brauer (Madison) MSC: 34C05 × Cite Format Result Cite Review PDF
Lau, Peter J. Types of closed characteristics of two-dimensional autonomous systems of differential equations. (Typen der geschlossenen Charakteristiken von zweidimensionalen autonomen Differentialgleichungssystemen.) (German) Zbl 0153.12601 Z. Angew. Math. Mech. 47, 64-67 (1967). Reviewer: Klaus R. Schneider (Berlin) MSC: 34C05 × Cite Format Result Cite Review PDF Full Text: DOI