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JOURNALS // Matematicheskii Sbornik // Archive

Mat. Sb. (N.S.), 1952 Volume 30(72), Number 1, Pages 181–196 (Mi sm5421)

This article is cited in 15 papers

On the number of limit cycles appearing with variation of the coefficients from an equilibrium state of the type of a focus or a center

N. N. Bautin


Received: 02.07.1951



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