@article{GDZPPN000365475,
title = {On the Average Number of k-Sets.},
journal = {Discrete \& computational geometry},
volume = {7},
year = {1992},
pages = {209-214},
url = {http://dml.mathdoc.fr/item/GDZPPN000365475}
}
Pellegrini, M.; Shor, P.W. On the Average Number of k-Sets.. Discrete & computational geometry, Tome 7 (1992) pp. 209-214. http://gdmltest.u-ga.fr/item/GDZPPN000365475/