%0 Journal Article %A A. S. Galiullin %T On the problem of constructing systems of differential equations %J Differencialʹnye uravneniâ %D 1970 %P 1343-1348 %V 6 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1970_6_8_a0/ %G ru %F DE_1970_6_8_a0