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@article{DAN_1971_200_5_a2, author = {A. S. Dikanskii}, title = {Problems adjoint to elliptic pseudodifferential boundary value problems}, journal = {Doklady Akademii Nauk}, pages = {1020--1023}, publisher = {mathdoc}, volume = {200}, number = {5}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_200_5_a2/} }
A. S. Dikanskii. Problems adjoint to elliptic pseudodifferential boundary value problems. Doklady Akademii Nauk, Tome 200 (1971) no. 5, pp. 1020-1023. http://geodesic.mathdoc.fr/item/DAN_1971_200_5_a2/