@article{01740995,
title = {An inequality improving the first Hermite-Hadamard inequality for convex functions defined on linear spaces and applications for semi-inner products.},
journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]},
volume = {3},
year = {2002},
zbl = {0994.26018},
language = {en},
url = {http://dml.mathdoc.fr/item/01740995}
}
Dragomir, S.S. An inequality improving the first Hermite-Hadamard inequality for convex functions defined on linear spaces and applications for semi-inner products.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 3 (2002) . http://gdmltest.u-ga.fr/item/01740995/