@article{02000846,
title = {The number of inversions in permutations: A saddle point approach.},
journal = {Journal of Integer Sequences [electronic only]},
volume = {6},
year = {2003},
zbl = {1024.05006},
language = {en},
url = {http://dml.mathdoc.fr/item/02000846}
}
Louchard, Guy; Prodinger, Helmut. The number of inversions in permutations: A saddle point approach.. Journal of Integer Sequences [electronic only], Tome 6 (2003) . http://gdmltest.u-ga.fr/item/02000846/