TY - JOUR AU - S. N. Kruzhkov TI - Generalized solutions of nonlinear first order equations with JO - Sbornik. Mathematics PY - 1967 SP - 93 EP - 116 VL - 1 IS - 1 UR - http://geodesic.mathdoc.fr/item/SM_1967_1_1_a5/ LA - en ID - SM_1967_1_1_a5 ER -