@article{GDZPPN002080257, title = {Inequalities involving convex sequences.}, journal = {Elemente der Mathematik}, volume = {36}, year = {1981}, pages = {58-72}, zbl = {0442.26012}, url = {http://dml.mathdoc.fr/item/GDZPPN002080257} }
Steinig, J. Inequalities involving convex sequences.. Elemente der Mathematik, Tome 36 (1981) pp. 58-72. http://gdmltest.u-ga.fr/item/GDZPPN002080257/