%0 Journal Article %A D. V. Buslyuk %T Integrals and last multipliers of partial differential systems %J Differencialʹnye uravneniâ %D 1999 %P 418-419 %V 35 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1999_35_3_a16/ %G ru %F DE_1999_35_3_a16