Ordinary Differential Equations

A Dulac function in a half-plane in the form of a polynomial of the second degree for a quadratic system

L. A. Cherkas^a, A. A. Grin'<sup>b

a</sup> Belarusian State University, Minsk
^b Yanka Kupala State University of Grodno

UDC: 517.925.42

Received: 10.12.1997

 English version: Differential Equations, 1998, 34:10, 1346–1348

Bibliographic databases:

•