@article{ZVMMF_1968_8_6_a14,
     author = {L. S. Dashnits and M. S. Zusmanovich},
     title = {The question of the localization of the characteristic numbers of a matrix},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1321--1327},
     year = {1968},
     volume = {8},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1968_8_6_a14/}
}