%0 Journal Article %A A. V. Pukhlikov %T Geometry of Discontinuous Systems near a Manifold of Singularities of Third Order %J Differencialʹnye uravneniâ %D 2005 %P 1635-1641 %V 41 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2005_41_12_a6/ %G ru %F DE_2005_41_12_a6