@article{ZVMMF_1963_3_1_a6,
     author = {S. G. Krein and O. I. Prozorovskaya},
     title = {Approximate methods of solving ill-posed problems},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {120--130},
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1963_3_1_a6/}
}