@article{05769505,
title = {Sortable elements for quivers with cycles.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {17},
year = {2010},
zbl = {1215.20039},
language = {en},
url = {http://dml.mathdoc.fr/item/05769505}
}
Reading, Nathan; Speyer, David E. Sortable elements for quivers with cycles.. The Electronic Journal of Combinatorics [electronic only], Tome 17 (2010) . http://gdmltest.u-ga.fr/item/05769505/