Shepeleva, R. P.; Yakubovich, V. A. Kritische Frequenzen von Systemen, die in bezug auf die Zeitumkehr invariant sind. (Russian) Zbl 0284.34048 Vestn. Leningr. Univ. 1972, No. 7, Mat. Mekh. Astron. 1972, No. 2, 71-81 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 34C25 Periodic solutions to ordinary differential equations 34D05 Asymptotic properties of solutions to ordinary differential equations 34A25 Analytical theory of ordinary differential equations: series, transformations, transforms, operational calculus, etc. 34A30 Linear ordinary differential equations and systems PDF BibTeX XML Cite \textit{R. P. Shepeleva} and \textit{V. A. Yakubovich}, Vestn. Leningr. Univ., Mat. Mekh. Astron. 1972, No. 2, 71--81 (1972; Zbl 0284.34048) OpenURL