Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1968_178_4_a9, author = {A. V. Strauss}, title = {Extensions, characteristic functions and generalized resolvents of symmetric operators}, journal = {Doklady Akademii Nauk}, pages = {790--792}, publisher = {mathdoc}, volume = {178}, number = {4}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_178_4_a9/} }
A. V. Strauss. Extensions, characteristic functions and generalized resolvents of symmetric operators. Doklady Akademii Nauk, Tome 178 (1968) no. 4, pp. 790-792. http://geodesic.mathdoc.fr/item/DAN_1968_178_4_a9/