Motzkin paths and reduced decompositions for permutations with forbidden patterns.
Chen, William Y.C. ; Deng, Yu-Ping ; Yang, Laura L.M.
The Electronic Journal of Combinatorics [electronic only], Tome 9 (2003), / Harvested from The Electronic Library of Mathematics
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Publié le : 2003-01-01
EUDML-ID : urn:eudml:doc:122956 
@article{01985357,
     title = {Motzkin paths and reduced decompositions for permutations with forbidden patterns.},
     journal = {The Electronic Journal of Combinatorics [electronic only]},
     volume = {9},
     year = {2003},
     zbl = {1023.05002},
     language = {en},
     url = {http://dml.mathdoc.fr/item/01985357}
}

Chen, William Y.C.; Deng, Yu-Ping; Yang, Laura L.M. Motzkin paths and reduced decompositions for permutations with forbidden patterns.. The Electronic Journal of Combinatorics [electronic only], Tome 9 (2003) . http://gdmltest.u-ga.fr/item/01985357/