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@article{DAN_1968_178_6_a10, author = {\`E. R. Tsekanovskii}, title = {Generalized selfadjoint extensions of symmetric operators}, journal = {Doklady Akademii Nauk}, pages = {1267--1270}, publisher = {mathdoc}, volume = {178}, number = {6}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_178_6_a10/} }
È. R. Tsekanovskii. Generalized selfadjoint extensions of symmetric operators. Doklady Akademii Nauk, Tome 178 (1968) no. 6, pp. 1267-1270. http://geodesic.mathdoc.fr/item/DAN_1968_178_6_a10/