@article{1102976830, author = {Hinton, Don}, title = {Continuous spectra of second-order differential operators.}, journal = {Pacific J. Math.}, volume = {35}, number = {3}, year = {1970}, pages = { 641-643}, language = {en}, url = {http://dml.mathdoc.fr/item/1102976830} }
Hinton, Don. Continuous spectra of second-order differential operators.. Pacific J. Math., Tome 35 (1970) no. 3, pp. 641-643. http://gdmltest.u-ga.fr/item/1102976830/