%0 Journal Article %A I. G. Kozhukh %T The behavior of the trajectories of a certain dynamical system in the Poincaré disc %J Differencialʹnye uravneniâ %D 1976 %P 1306-1309 %V 12 %N 7 %U http://geodesic.mathdoc.fr/item/DE_1976_12_7_a19/ %G ru %F DE_1976_12_7_a19