%0 Journal Article %A J. V. Rakitskii %T Methods for successive step increase in the numerical integration of systems of ordinary differential equations %J Doklady Akademii Nauk %D 1972 %P 793-795 %V 207 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_207_4_a6/ %G ru %F DAN_1972_207_4_a6