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@article{DAN_1973_212_6_a4, author = {A. V. Kozak}, title = {A local principle in the theory of projection methods}, journal = {Doklady Akademii Nauk}, pages = {1287--1289}, publisher = {mathdoc}, volume = {212}, number = {6}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1973_212_6_a4/} }
A. V. Kozak. A local principle in the theory of projection methods. Doklady Akademii Nauk, Tome 212 (1973) no. 6, pp. 1287-1289. http://geodesic.mathdoc.fr/item/DAN_1973_212_6_a4/