Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1976_226_4_a5, author = {M. L. Gorbachuk and V. A. Mikhailets}, title = {Semibounded selfadjoint extensions of symmetric operators}, journal = {Doklady Akademii Nauk}, pages = {765--767}, publisher = {mathdoc}, volume = {226}, number = {4}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1976_226_4_a5/} }
M. L. Gorbachuk; V. A. Mikhailets. Semibounded selfadjoint extensions of symmetric operators. Doklady Akademii Nauk, Tome 226 (1976) no. 4, pp. 765-767. http://geodesic.mathdoc.fr/item/DAN_1976_226_4_a5/