@article{DE_1976_12_10_a17, author = {A. V. Gulin and I. V. Fryazinov}, title = {The exactness of the scheme of variable directions for the heat equation in an arbitrary domain}, journal = {Differencialʹnye uravneni\^a}, pages = {1906--1914}, publisher = {mathdoc}, volume = {12}, number = {10}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1976_12_10_a17/} }