@article{ZVMMF_1978_18_3_a1,
     author = {N. D. Sergeev},
     title = {The correcting of the results of factorization by a modification of the nondegenerate quadratic matrix},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {546--553},
     year = {1978},
     volume = {18},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1978_18_3_a1/}
}