Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1997_10_a9, author = {L. I. Sukhocheva}, title = {A~new criterion for an operator to belong to the class~$K(H)$}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {64--66}, publisher = {mathdoc}, number = {10}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1997_10_a9/} }
L. I. Sukhocheva. A~new criterion for an operator to belong to the class~$K(H)$. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 10 (1997), pp. 64-66. http://geodesic.mathdoc.fr/item/IVM_1997_10_a9/