%0 Journal Article %A Kh. G. Umarov %T A~mixed problem in a~Banach space for an analogue of the diffusion equation that is not solved with respect to the time derivative %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1992 %P 100-103 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1992_4_a15/ %G ru %F IVM_1992_4_a15