@article{01800866, title = {Restricted 123-involutions.}, journal = {S\'eminaire Lotharingien de Combinatoire [electronic only]}, volume = {49}, year = {2002}, zbl = {1009.05009}, language = {en}, url = {http://dml.mathdoc.fr/item/01800866} }
Guibert, O.; Mansour, Toufik. Restricted 123-involutions.. Séminaire Lotharingien de Combinatoire [electronic only], Tome 49 (2002) . http://gdmltest.u-ga.fr/item/01800866/