@article{ZVMMF_2002_42_9_a1,
     author = {A. George and Kh. D. Ikramov},
     title = {The closeness of certain classes of matrices with respect to pseudo-inversion},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1290--1294},
     year = {2002},
     volume = {42},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2002_42_9_a1/}
}