@article{03791148,
title = {Sums of distances between points of a sphere.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {5},
year = {1982},
pages = {707-714},
doi = {10.1155/S0161171282000647},
zbl = {0502.52013},
language = {en},
url = {http://dml.mathdoc.fr/item/03791148}
}
Harman, Glyn. Sums of distances between points of a sphere.. International Journal of Mathematics and Mathematical Sciences, Tome 5 (1982) pp. 707-714. doi : 10.1155/S0161171282000647. http://gdmltest.u-ga.fr/item/03791148/