@article{ARM_1969__5_3_a4,
     author = {Popoviciu, Tiberiu},
     title = {Remarques sur certaines formules de la moyenne},
     journal = {Archivum mathematicum},
     pages = {147--155},
     publisher = {mathdoc},
     volume = {05},
     number = {3},
     year = {1969},
     mrnumber = {0299737},
     zbl = {0247.26010},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/ARM_1969__5_3_a4/}
}