%0 Journal Article %A N. T. Stel'maschuk %A V. A. Shilinec %T The method of formal derivatives for the solution of the Cauchy problem for a system of partial differential equations %J Differencialʹnye uravneniâ %D 1993 %P 1999-2001 %V 29 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1993_29_11_a15/ %G ru %F DE_1993_29_11_a15