%0 Journal Article %A Najzar, Karel %T On the method of least squares of finding eigenvalues and eigenfunctions of some symmetric operators. II. %J Commentationes Mathematicae Universitatis Carolinae %D 1970 %P 449-462 %V 11 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1970__11_3_a4/ %G en %F CMUC_1970__11_3_a4