%0 Journal Article %A E. G. Sadovnikov %T A certain modification of Šilov's method %J Differencialʹnye uravneniâ %D 1973 %P 2097-2098 %V 9 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_11_a24/ %G ru %F DE_1973_9_11_a24