TY - JOUR AU - A. V. Pukhlikov TI - Structurally stable singularities of discontinuous dynamical systems JO - Differencialʹnye uravneniâ PY - 1999 SP - 670 EP - 677 VL - 35 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1999_35_5_a11/ LA - ru ID - DE_1999_35_5_a11 ER -