@article{2591, author = {Hsiang, Fu Cheng}, title = {An integral inequality}, journal = {Portugaliae mathematica}, volume = {28}, year = {1969}, pages = {63-66}, zbl = {0216.09406}, mrnumber = {0281859}, language = {en}, url = {http://dml.mathdoc.fr/item/2591} }
Hsiang, Fu Cheng. An integral inequality. Portugaliae mathematica, Tome 28 (1969) pp. 63-66. http://gdmltest.u-ga.fr/item/2591/