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@article{DAN_1974_215_1_a0, author = {I. V. Boykov}, title = {The principle of compact approximation in the perturbed {Galerkin} method}, journal = {Doklady Akademii Nauk}, pages = {11--14}, publisher = {mathdoc}, volume = {215}, number = {1}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_215_1_a0/} }
I. V. Boykov. The principle of compact approximation in the perturbed Galerkin method. Doklady Akademii Nauk, Tome 215 (1974) no. 1, pp. 11-14. http://geodesic.mathdoc.fr/item/DAN_1974_215_1_a0/