@article{1077492936, author = {Civin, Paul}, title = {Inequalities for trigonometric integrals}, journal = {Duke Math. J.}, volume = {8}, number = {1}, year = {1941}, pages = { 656-665}, language = {en}, url = {http://dml.mathdoc.fr/item/1077492936} }
Civin, Paul. Inequalities for trigonometric integrals. Duke Math. J., Tome 8 (1941) no. 1, pp. 656-665. http://gdmltest.u-ga.fr/item/1077492936/