%0 Journal Article %A Najzar, Karel %T Stability of the method of least squares for finding the eigenvalues of a symmetric operator %J Commentationes Mathematicae Universitatis Carolinae %D 1970 %P 641-655 %V 11 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1970__11_4_a2/ %G en %F CMUC_1970__11_4_a2