@article{05654105,
title = {Arithmetic-geometric-harmonic mean of three positive operators.},
journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]},
volume = {10},
year = {2009},
zbl = {1185.65092},
language = {en},
url = {http://dml.mathdoc.fr/item/05654105}
}
Raïssouli, Mustapha; Leazizi, Fatima; Chergui, Mohamed. Arithmetic-geometric-harmonic mean of three positive operators.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 10 (2009) . http://gdmltest.u-ga.fr/item/05654105/