@article{DE_1971_7_11_a18,
     author = {A. S. Dolgov},
     title = {Explicit solutions of certain difference approximations of the heat equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2091--2093},
     publisher = {mathdoc},
     volume = {7},
     number = {11},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1971_7_11_a18/}
}