Circular digraph walks, k-balanced strings, lattice paths and Chebychev polynomials.
Georgiadis, Evangelos ; Callan, David ; Hou, Qing-Hu
The Electronic Journal of Combinatorics [electronic only], Tome 15 (2008), / Harvested from The Electronic Library of Mathematics
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Publié le : 2008-01-01
EUDML-ID : urn:eudml:doc:117264 
@article{05541013,
     title = {Circular digraph walks, },
     journal = {The Electronic Journal of Combinatorics [electronic only]},
     volume = {15},
     year = {2008},
     zbl = {1180.05002},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05541013}
}

Georgiadis, Evangelos; Callan, David; Hou, Qing-Hu. Circular digraph walks, . The Electronic Journal of Combinatorics [electronic only], Tome 15 (2008) . http://gdmltest.u-ga.fr/item/05541013/