@article{ZVMMF_1991_31_6_a0,
     author = {S. A. Shishkin},
     title = {An algorithm for inverting non-singular matrices with guaranteed accuracy},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {783--789},
     publisher = {mathdoc},
     volume = {31},
     number = {6},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1991_31_6_a0/}
}