TY - JOUR AU - M. I. Freidlin TI - Existence “in the large” of smooth solutions of degenerate quasilinear equations JO - Sbornik. Mathematics PY - 1969 SP - 323 EP - 339 VL - 7 IS - 3 UR - http://geodesic.mathdoc.fr/item/SM_1969_7_3_a1/ LA - en ID - SM_1969_7_3_a1 ER -