@article{ZVMMF_1974_14_2_a2,
     author = {A. P. Petrov and A. V. Khovanskii},
     title = {Estimation of the error of the solution of linear problems when there are inaccuracies in the operators and in the right-hand sides of the equations},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {292--298},
     year = {1974},
     volume = {14},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1974_14_2_a2/}
}