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@article{DAN_1963_151_6_a10, author = {V. A. Medvedev}, title = {An application of the method of least squares to the eigenvalue problem}, journal = {Doklady Akademii Nauk}, pages = {1280--1282}, publisher = {mathdoc}, volume = {151}, number = {6}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_6_a10/} }
V. A. Medvedev. An application of the method of least squares to the eigenvalue problem. Doklady Akademii Nauk, Tome 151 (1963) no. 6, pp. 1280-1282. http://geodesic.mathdoc.fr/item/DAN_1963_151_6_a10/