%0 Journal Article %A V. P. Pisarenok %A A. I. Yablonskii %T The movable essentially singular points of a first order differential equation %J Differencialʹnye uravneniâ %D 1975 %P 2281-2282 %V 11 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1975_11_12_a23/ %G ru %F DE_1975_11_12_a23