TY - JOUR AU - N. Yu. Kapustin TI - Solvability in the class $L_2$ of the Tricomi problem for a parabolic-hyperbolic equation with a degenerate hyperbolic part JO - Differencialʹnye uravneniâ PY - 1986 SP - 60 EP - 66 VL - 22 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1986_22_1_a7/ LA - ru ID - DE_1986_22_1_a7 ER -