@article{IVM_1959_4_a16,
     author = {A. I. Povolotskii},
     title = {Eigenvectors on hyperboloids in {Hilbert} space},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {126--140},
     publisher = {mathdoc},
     number = {4},
     year = {1959},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1959_4_a16/}
}