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JOURNALS // Differentsial'nye Uravneniya // Archive
Differ. Uravn., 1979 Volume 15, Number 9, Pages 1620–1631 (Mi de3799)
Ordinary Differential Equations

Existence of closed trajectories in the neighborhood of an invariant torus

V. E. Chernyshev

Leningrad State University

UDC: 517.925.52

Received: 20.07.1978



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