%0 Journal Article %A È. M. Fridman %T Asymptotics of integral manifolds and the decomposition of singularly perturbed systems of neutral type %J Differencialʹnye uravneniâ %D 1990 %P 626-639 %V 26 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_4_a10/ %G ru %F DE_1990_26_4_a10