TY - JOUR AU - M. U. Akhmetov AU - N. A. Perestyuk TI - Differential properties of solutions and integral surfaces of nonlinear impulse systems JO - Differencialʹnye uravneniâ PY - 1992 SP - 555 EP - 566 VL - 28 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1992_28_4_a0/ LA - ru ID - DE_1992_28_4_a0 ER -