TY - JOUR AU - N. N. Kuznetsov TI - A weak solution of the Cauchy problem for a first order equation with two independent variables JO - Doklady Akademii Nauk PY - 1967 SP - 268 EP - 271 VL - 177 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_177_2_a4/ LA - ru ID - DAN_1967_177_2_a4 ER -