%0 Journal Article %A N. Z. Gabbasov %A E. S. Chichkin %T A certain integral formula for the solution of ordinary differential equations %J Differencialʹnye uravneniâ %D 1969 %P 1652-1662 %V 5 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1969_5_9_a11/ %G ru %F DE_1969_5_9_a11