@article{1077377954, author = {Brown, Jr., J. L. and Duncan, R. L.}, title = {A generalized Weyl criterion}, journal = {Duke Math. J.}, volume = {35}, number = {1}, year = {1968}, pages = { 699-705}, language = {en}, url = {http://dml.mathdoc.fr/item/1077377954} }
Brown, Jr., J. L.; Duncan, R. L. A generalized Weyl criterion. Duke Math. J., Tome 35 (1968) no. 1, pp. 699-705. http://gdmltest.u-ga.fr/item/1077377954/