%0 Journal Article %A Sh. R. Sharipov %A A. M. Matvienko %T Global phase portrait of a two-dimensional system of a special type %J Differencialʹnye uravneniâ %D 1983 %P 1385-1389 %V 19 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_8_a11/ %G ru %F DE_1983_19_8_a11