@article{IVM_1983_12_a16,
     author = {L. A. Sakhnovich},
     title = {Eigensubspaces of an operator with a~difference kernel},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {75--77},
     year = {1983},
     number = {12},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1983_12_a16/}
}