@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/