%0 Journal Article %A È. I. Grudo %T Movable singular points of a completely integrable first order total differential equation %J Differencialʹnye uravneniâ %D 1973 %P 1572-1582 %V 9 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_9_a2/ %G ru %F DE_1973_9_9_a2