@article{05224585,
title = {A variant of Jensen-Steffensen's inequality for convex and superquadratic functions.},
journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]},
volume = {7},
year = {2006},
zbl = {1132.26345},
language = {en},
url = {http://dml.mathdoc.fr/item/05224585}
}
Abramovich, Shoshana; Bakula, M.Klaricic; Banic, S. A variant of Jensen-Steffensen's inequality for convex and superquadratic functions.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 7 (2006) . http://gdmltest.u-ga.fr/item/05224585/