@article{DAN_1967_176_4_a6,
     author = {G. \`E. Kisilevskii},
     title = {A generalization of the {Jordon} theory to a certain class of linear operators in {Hilbert} space},
     journal = {Doklady Akademii Nauk},
     pages = {768--770},
     publisher = {mathdoc},
     volume = {176},
     number = {4},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_176_4_a6/}
}