@article{05540991,
title = {Crossings and nestings in tangled diagrams.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {15},
year = {2008},
zbl = {1163.05309},
language = {en},
url = {http://dml.mathdoc.fr/item/05540991}
}
Chen, William Y.C.; Qin, Jing; Reidys, Christian M. Crossings and nestings in tangled diagrams.. The Electronic Journal of Combinatorics [electronic only], Tome 15 (2008) . http://gdmltest.u-ga.fr/item/05540991/