@article{105360, author = {Karel Najzar}, title = {Error-estimates for the Ritz's method of finding eigenvalues and eigenfunctions}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {012}, year = {1971}, pages = {485-501}, zbl = {0246.49037}, mrnumber = {0301921}, language = {en}, url = {http://dml.mathdoc.fr/item/105360} }
Najzar, Karel. Error-estimates for the Ritz's method of finding eigenvalues and eigenfunctions. Commentationes Mathematicae Universitatis Carolinae, Tome 012 (1971) pp. 485-501. http://gdmltest.u-ga.fr/item/105360/
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