%0 Journal Article %A V. M. Matrosov %A I. A. Finogenko %T On the theory of differential equations that arise in the dynamics of systems with friction. I %J Differencialʹnye uravneniâ %D 1996 %P 606-614 %V 32 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1996_32_5_a4/ %G ru %F DE_1996_32_5_a4