Shepeleva, R. P.; Yakubovich, V. A. Critical frequencies of canonical fractionally periodic equations. (English. Russian original) Zbl 0333.34034 Sib. Math. J. 16(1975), 471-479 (1976); translation from Sib. Mat. Zh. 16, 612-622 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 34C25 Periodic solutions to ordinary differential equations 34A30 Linear ordinary differential equations and systems 34D10 Perturbations of ordinary differential equations 93C15 Control/observation systems governed by ordinary differential equations PDF BibTeX XML Cite \textit{R. P. Shepeleva} and \textit{V. A. Yakubovich}, Sib. Math. J. 16, 471--479 (1976; Zbl 0333.34034); translation from Sib. Mat. Zh. 16, 612--622 (1975) Full Text: DOI OpenURL References: [1] M. G. Krein, Basic Propositions of the Theory of ?-Zones of Stability for a Canonical System of Linear Differential Equations with Periodic Coefficients [in Russian], Izd-vo AN SSSR, Moscow (1955), pp. 413-498. [2] A. M. Lyapunov, The General Problem of Stability of a Motion [in Russian], ONTI, Leningrad-Moscow (1935). [3] V. A. Yakubovich, ?Critical frequencies of quasicanonical systems,? Vestn. Leningr. un-ta, Seriya Matemtika, Mekhanika, Astronomiya, No. 13, 35-63 (1958). [4] I. M. Gel’fand and V. B. Lidskii, ?On the structure of regions of stability of canonical linear systems of differential equations with periodic coefficients,? Uspekhi Matematicheskikh Nauk,10, (63), 3-40 (1955). [5] V. A. Yakubovich and V. M. Starzhinskii, Linear Differential Equations with Periodic Coefficients and Their Applications [in Russian], Nauka, Moscow (1972). [6] R. P. Shepeleva and V. A. Yakubovich, ?Critical frequencies of systems which are invariant with respect to time reversal,? Vestn. Leningr. un-ta, Seriya Matematika, Mekhanika, Astronomiya, No. 7, 71-81 (1972). · Zbl 0284.34048 [7] R. P. Shepeleva and V. A. Yakubovich, ?Critical frequencies of fractionally periodic systems which are invariant with respect to time reversal,? Vestn. Leningr. un-ta, Seriya Matematika, Mekhanika, Astronomiya, No. 13, 64-73 (1974). This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. It attempts to reflect the references listed in the original paper as accurately as possible without claiming the completeness or perfect precision of the matching.