@article{1103043342, author = {Koehler, Fulton}, title = {Estimates for the eigenvalues of infinite matrices.}, journal = {Pacific J. Math.}, volume = {7}, number = {4}, year = {1957}, pages = { 1391-1404}, language = {en}, url = {http://dml.mathdoc.fr/item/1103043342} }
Koehler, Fulton. Estimates for the eigenvalues of infinite matrices.. Pacific J. Math., Tome 7 (1957) no. 4, pp. 1391-1404. http://gdmltest.u-ga.fr/item/1103043342/