@article{1102635628,
author = {Wagner, Gerold},
title = {On means of distances on the surface of a sphere. II. Upper bounds.},
journal = {Pacific J. Math.},
volume = {156},
number = {2},
year = {1992},
pages = { 381-396},
language = {en},
url = {http://dml.mathdoc.fr/item/1102635628}
}
Wagner, Gerold. On means of distances on the surface of a sphere. II. Upper bounds.. Pacific J. Math., Tome 156 (1992) no. 2, pp. 381-396. http://gdmltest.u-ga.fr/item/1102635628/