@article{ZVMMF_1965_5_5_a11,
     author = {A. Ya. Povzner},
     title = {On a method of calculating the eigenvalues of matrices},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {903--907},
     publisher = {mathdoc},
     volume = {5},
     number = {5},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1965_5_5_a11/}
}