@article{ZVMMF_2004_44_7_a0,
     author = {Kh. D. Ikramov and M. Matin far and A. A. Chesnokov},
     title = {Computer algebra procedures for the {Drazin} inversion of a singular matrix},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1155--1163},
     publisher = {mathdoc},
     volume = {44},
     number = {7},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2004_44_7_a0/}
}