%0 Journal Article %A A. M. Markina %T Movable singular points of a certain system of differential equations %J Differencialʹnye uravneniâ %D 1973 %P 751-753 %V 9 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_4_a21/ %G ru %F DE_1973_9_4_a21