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@article{DE_1971_7_1_a13, author = {R. S. Saks}, title = {The {Dirichlet} problem for the elliptic system of {A.\,V.~Bicadze} with lower derivatives}, journal = {Differencialʹnye uravneni\^a}, pages = {121--134}, publisher = {mathdoc}, volume = {7}, number = {1}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1971_7_1_a13/} }
R. S. Saks. The Dirichlet problem for the elliptic system of A.\,V.~Bicadze with lower derivatives. Differencialʹnye uravneniâ, Tome 7 (1971) no. 1, pp. 121-134. http://geodesic.mathdoc.fr/item/DE_1971_7_1_a13/