@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/