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JOURNALS // Differentsial'nye Uravneniya // Archive

Differ. Uravn., 1987 Volume 23, Number 12, Pages 2047–2051 (Mi de6384)

Ordinary Differential Equations

A frequency criterion for the existence of limit cycles of dynamical systems with a cylindrical phase space

G. A. Leonov

Leningrad State University

UDC: 517.925

Received: 17.03.1986



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