TY - JOUR AU - Kh. G. Umarov TI - A~mixed problem in a~Banach space for an analogue of the diffusion equation that is not solved with respect to the time derivative JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1992 SP - 100 EP - 103 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1992_4_a15/ LA - ru ID - IVM_1992_4_a15 ER -