%0 Journal Article %A M. N. Yakovlev %T On estimate of the error of the solution of Cauchy problem for system of ordinary differential equations of second order %J Zapiski Nauchnykh Seminarov POMI %D 1971 %P 138-139 %V 23 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1971_23_a13/ %G ru %F ZNSL_1971_23_a13