@article{02161315, title = {Subsequence containment by involutions.}, journal = {The Electronic Journal of Combinatorics [electronic only]}, volume = {12}, year = {2005}, zbl = {1061.05002}, language = {en}, url = {http://dml.mathdoc.fr/item/02161315} }
Jaggard, Aaron D. Subsequence containment by involutions.. The Electronic Journal of Combinatorics [electronic only], Tome 12 (2005) . http://gdmltest.u-ga.fr/item/02161315/