TY - JOUR AU - A. M. Nakhushev TI - On the theory of linear boundary value problems for a second order equation of mixed hyperbolic-parabolic type JO - Differencialʹnye uravneniâ PY - 1978 SP - 66 EP - 73 VL - 14 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1978_14_1_a6/ LA - ru ID - DE_1978_14_1_a6 ER -