Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1971_199_1_a9, author = {V. D. Charushnikov}, title = {On optimal approximate methods for the solution of linear problems}, journal = {Doklady Akademii Nauk}, pages = {40--43}, publisher = {mathdoc}, volume = {199}, number = {1}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_199_1_a9/} }
V. D. Charushnikov. On optimal approximate methods for the solution of linear problems. Doklady Akademii Nauk, Tome 199 (1971) no. 1, pp. 40-43. http://geodesic.mathdoc.fr/item/DAN_1971_199_1_a9/