@article{IVM_2008_6_a4,
     author = {V. S. Mokeichev},
     title = {Existence and basis property of eigen and associated elements of linear operators},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {43--55},
     publisher = {mathdoc},
     number = {6},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2008_6_a4/}
}