%0 Journal Article %A A. I. Sukhinov %T Approximation of the three-dimensional heat equation by locally two-dimensional schemes in cylindrical and spherical coordinates %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1987 %P 66-74 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1987_8_a10/ %G ru %F IVM_1987_8_a10