@article{DE_1985_21_4_a17,
     author = {A. L. Skubachevskii},
     title = {Solvability of elliptic problems with boundary conditions of {Bitsadze--Samarski{\v\i}} type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {701--706},
     publisher = {mathdoc},
     volume = {21},
     number = {4},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_4_a17/}
}