@article{10_4064_ap_9_3_211_218,
     author = {Franciszek Leja},
     title = {Sur les moyennes arithm\'etiques, g\'eom\'etriques et harmoniques des distances mutuelles des points d'un ensemble},
     journal = {Annales Polonici Mathematici},
     pages = {211--218},
     publisher = {mathdoc},
     volume = {9},
     number = {3},
     year = {1960},
     doi = {10.4064/ap-9-3-211-218},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-9-3-211-218/}
}