Some additions to the theory of stability of systems in the first approximation

V. E. Slyusarchuk, “On the problem of unstability in the first approximation,” Mat. Zametki,23, No. 5, 721–723 (1978).Google Scholar

Yu. L. Daletskii and M. G. Krein, Stability of Solutions of Differential Equations in Banach Space, Am. Math. Soc. (1974).Google Scholar

V. E. Slyusarchuk, “Difference equations in functional spaces,” Appendix to: D. I. Martynyuk, Lectures on Quantitative Theory of Difference Equations [in Russian], Naukova Dumka, Kiev (1962), pp. 197–224.Google Scholar

V. E. Slyusarchuk, “On the problem of stability in the first approximation of systems with periodic operator coefficients and periodic retardations in a Banach space,” in: Functional and Differential-Difference Equations [in Russian], Yu. A. Mitropol'skii and A. N. Sharkovskii (eds.), Izd. Inst. Mat. Akad. Nauk Ukr. SSR, Kiev (1974), pp. 129–140.Google Scholar

V. E. Slyusarchuk, “The stability of solutions of differential equations,” Dokl. Akad. Nauk Ukr. SSR, Ser. A, No. 4, 226–228 (1974).Google Scholar

P. R. Halmos, A Hubert Space Problem Book, Van Nostrand, Princeton (1967).Google Scholar

“On a seminar on the qualitative theory of differential equations in Moscow University,” Differents. Uravn.,16, No. 4, 755–761 (1980).Google Scholar