%0 Journal Article %A A. V. Kim %T On first integrals of functional-differential equations %J Differencialʹnye uravneniâ %D 1997 %P 347-350 %V 33 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1997_33_3_a8/ %G ru %F DE_1997_33_3_a8