%0 Journal Article %A M. B. Meshcherskaya %T Qualitative picture of a special system of two equations %J Differencialʹnye uravneniâ %D 1983 %P 714-716 %V 19 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_4_a27/ %G ru %F DE_1983_19_4_a27