%0 Journal Article %A A. M. Samoilenko %A N. A. Perestyuk %T N. N. Bogoljubov's second theorem for systems of differential equations with impulse action %J Differencialʹnye uravneniâ %D 1974 %P 2001-2009 %V 10 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1974_10_11_a9/ %G ru %F DE_1974_10_11_a9