TY - JOUR AU - I. M. Sonin TI - Classes of uniqueness for degenerate parabolic equations JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1970 VL - 25 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1970_25_1_a9/ LA - ru ID - RM_1970_25_1_a9 ER -