@article{DAN_1989_305_3_a1, author = {R. M. Aliev}, title = {Application of projection methods to the construction of best}, journal = {Doklady Akademii Nauk}, pages = {525--529}, publisher = {mathdoc}, volume = {305}, number = {3}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1989_305_3_a1/} }