TY - JOUR AU - O. A. Oleinik TI - The problem of Cauchy for non-linear differential equations of the first order with discontinuous initial conditions JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 1956 SP - 433 EP - 454 VL - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_1956_5_a9/ LA - ru ID - MMO_1956_5_a9 ER -