TY - JOUR AU - A. S. Kalashnikov TI - Some problems of the qualitative theory of non-linear degenerate second-order parabolic equations JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1987 SP - 169 EP - 222 VL - 42 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1987_42_2_a3/ LA - en ID - RM_1987_42_2_a3 ER -