@article{ZVMMF_1991_31_8_a1,
     author = {A. M. Vigodner and A. A. Pervozvanskii},
     title = {A modification of the conjugate-gradient algorithm for the stable solution of an ill-conditioned problem by the method of least squares},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1131--1145},
     publisher = {mathdoc},
     volume = {31},
     number = {8},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1991_31_8_a1/}
}