@article{1077472099, author = {Bellman, Richard}, title = {An integral inequality}, journal = {Duke Math. J.}, volume = {10}, number = {1}, year = {1943}, pages = { 547-550}, language = {en}, url = {http://dml.mathdoc.fr/item/1077472099} }
Bellman, Richard. An integral inequality. Duke Math. J., Tome 10 (1943) no. 1, pp. 547-550. http://gdmltest.u-ga.fr/item/1077472099/