%0 Journal Article %A V. A. Medvedev %T An application of the method of least squares to the eigenvalue problem %J Doklady Akademii Nauk %D 1963 %P 1280-1282 %V 151 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_151_6_a10/ %G ru %F DAN_1963_151_6_a10