@article{ZVMMF_1983_23_6_a2,
     author = {V. A. Pupkov},
     title = {On an isolated eigenvalue of a matrix and the structure of the corresponding eigenvector},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1304--1313},
     publisher = {mathdoc},
     volume = {23},
     number = {6},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1983_23_6_a2/}
}