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@article{DE_1976_12_1_a14, author = {V. I. Pa\v{s}kovskii}, title = {Connected operators and boundary value problems for equations of elliptic type}, journal = {Differencialʹnye uravneni\^a}, pages = {118--128}, publisher = {mathdoc}, volume = {12}, number = {1}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1976_12_1_a14/} }
V. I. Paškovskii. Connected operators and boundary value problems for equations of elliptic type. Differencialʹnye uravneniâ, Tome 12 (1976) no. 1, pp. 118-128. http://geodesic.mathdoc.fr/item/DE_1976_12_1_a14/