TY - JOUR AU - A. F. Filippov TI - Differential equations whose right-hand side is discontinuous on intersecting surfaces JO - Differencialʹnye uravneniâ PY - 1979 SP - 1814 EP - 1823 VL - 15 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1979_15_10_a8/ LA - ru ID - DE_1979_15_10_a8 ER -