@article{DE_1976_12_11_a17,
     author = {V. M. Govorov},
     title = {The membership in the class $W_2^1$ of the classical solution of the {Dirichlet} problem for an elliptic equation in an arbitrary (bounded or unbounded) domain},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2064--2067},
     publisher = {mathdoc},
     volume = {12},
     number = {11},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1976_12_11_a17/}
}