@article{GDZPPN002040468, title = {An inequality for arithmetic and harmonic means.}, journal = {Aequationes mathematicae}, volume = {45}, year = {1993}, pages = {257-263}, zbl = {0785.26012}, url = {http://dml.mathdoc.fr/item/GDZPPN002040468} }
Alzer, Horst. An inequality for arithmetic and harmonic means.. Aequationes mathematicae, Tome 45 (1993) pp. 257-263. http://gdmltest.u-ga.fr/item/GDZPPN002040468/