@article{DAN_1976_226_6_a9,
     author = {V. P. Tanana},
     title = {On an optimal algorithm for operator equations of the first kind with a perturbed operator},
     journal = {Doklady Akademii Nauk},
     pages = {1279--1282},
     publisher = {mathdoc},
     volume = {226},
     number = {6},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_226_6_a9/}
}