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@article{DAN_1963_151_2_a10, author = {V. P. Mikhailov}, title = {The first boundary value problem for certain semi bounded operators}, journal = {Doklady Akademii Nauk}, pages = {282--285}, publisher = {mathdoc}, volume = {151}, number = {2}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_2_a10/} }
V. P. Mikhailov. The first boundary value problem for certain semi bounded operators. Doklady Akademii Nauk, Tome 151 (1963) no. 2, pp. 282-285. http://geodesic.mathdoc.fr/item/DAN_1963_151_2_a10/