@article{10_4064_ap_18_3_345_355,
     author = {B. Szafirski},
     title = {Sur une fonction extr\'emale li\'ee aux moyennes arithm\'etiques des distances g\'en\'eralis\'ees des couples de points d'un ensemble},
     journal = {Annales Polonici Mathematici},
     pages = {345--355},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {1966},
     doi = {10.4064/ap-18-3-345-355},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-18-3-345-355/}
}