@article{1077476111, author = {de Bruijn, N. G.}, title = {The roots of trigonometric integrals}, journal = {Duke Math. J.}, volume = {17}, number = {1}, year = {1950}, pages = { 197-226}, language = {en}, url = {http://dml.mathdoc.fr/item/1077476111} }
de Bruijn, N. G. The roots of trigonometric integrals. Duke Math. J., Tome 17 (1950) no. 1, pp. 197-226. http://gdmltest.u-ga.fr/item/1077476111/