@article{105292, author = {Karel Najzar}, title = {Error-estimates for the method of least squares of finding eigenvalues and eigenfunctions}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {011}, year = {1970}, pages = {463-479}, zbl = {0211.16501}, mrnumber = {0276808}, language = {en}, url = {http://dml.mathdoc.fr/item/105292} }
Najzar, Karel. Error-estimates for the method of least squares of finding eigenvalues and eigenfunctions. Commentationes Mathematicae Universitatis Carolinae, Tome 011 (1970) pp. 463-479. http://gdmltest.u-ga.fr/item/105292/
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