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JOURNALS // Doklady Akademii Nauk // Archive

Dokl. Akad. Nauk SSSR, 1967 Volume 172, Number 2, Pages 264–266 (Mi dan32806)

MATHEMATICS

Positive periodic solutions of a class of differential equations of second order

Yu. S. Kolesov

Voronezh State University

UDC: 517.917

Presented: I. G. Petrovskii
Received: 04.03.1966



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