TY - JOUR AU - V. N. Aref'ev TI - On the smoothness of the solutions of second-order parabolic equations with discontinuous coefficients JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1987 SP - 11 EP - 19 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1987_5_a1/ LA - ru ID - IVM_1987_5_a1 ER -