%0 Journal Article %A E. I. Moiseev %T A mean-value formula for a regular solution of an ordinary differential equation %J Doklady Akademii Nauk %D 1975 %P 562-565 %V 223 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_223_3_a11/ %G ru %F DAN_1975_223_3_a11