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Dokl. Akad. Nauk SSSR, 1969 Volume 185, Number 1, Pages 9–12 (Mi dan34467)

MATHEMATICS

The existence of invariant tori in the neighborhodd of a state of equilbrium of a system of differential equations

Yu. N. Bibikov

Leningrad State University

UDC: 517.917

Presented: V. I. Smirnov
Received: 21.12.1967



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