This article is cited in 3 papers

Ordinary Differential Equations

Integrals of a general quadratic differential system in cases of the center

V. A. Lunkevich^a, K. S. Sibirskii<sup>b

a</sup> Chishinau Technical Institute named after S. Lazo
^b Mathematics Institute, Computer Center, Academy of Sciences of the Moldavian SSR

UDC: 517.925.44

Received: 30.11.1981

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