TY - JOUR AU - V. S. Blinchevskii TI - Existence of a null Chaplygin approximation for a solution of the generalized Cauchy problem JO - Matematičeskie zametki PY - 1971 SP - 447 EP - 452 VL - 10 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1971_10_4_a8/ LA - ru ID - MZM_1971_10_4_a8 ER -