The Lyapunov direct method in the theory of asymptotic equivalence of differential equations
English version (Springer): Ukrainian Mathematical Journal 43 (1991), no. 1, pp 95-97.
Citation Example: Voskresenskii E. V. The Lyapunov direct method in the theory of asymptotic equivalence of differential equations // Ukr. Mat. Zh. - 1991. - 43, № 1. - pp. 115–118.
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