%0 Journal Article %A G. S. Krechetov %T Estimates for the solutions of a certain first order differential equation %J Differencialʹnye uravneniâ %D 1970 %P 2088-2091 %V 6 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1970_6_11_a19/ %G ru %F DE_1970_6_11_a19