@article{DE_1974_10_9_a14,
     author = {P. E. Sobolevskii and \`E. A. Shteynvil},
     title = {The correct solvability of an extended boundary value problem for a parabolic equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1692--1698},
     publisher = {mathdoc},
     volume = {10},
     number = {9},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_9_a14/}
}