TY - JOUR AU - A. I. Ibragimov TI - On some qualitative properties of solutions of second-order equations of parabolic type with continuous coefficients JO - Differencialʹnye uravneniâ PY - 1982 SP - 306 EP - 319 VL - 18 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1982_18_2_a14/ LA - ru ID - DE_1982_18_2_a14 ER -