@article{DE_1971_7_3_a12,
     author = {V. S. Rogozhin and S. P. Danko},
     title = {Three approaches to the solution of the generalized {Dirichlet} and {Neumann} problems for second order elliptic equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {501--509},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1971_7_3_a12/}
}