TY - JOUR AU - M. K. Balaev AU - S. Ya. Yakubov TI - Well-posedness of a mixed problem for some classes of equations well-posed in the petrovskii sense JO - Matematičeskie zametki PY - 1987 SP - 527 EP - 536 VL - 42 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1987_42_4_a4/ LA - ru ID - MZM_1987_42_4_a4 ER -