Digraphs are 2-weight choosable.
Khatirinejad, Mahdad ; Naserasr, Reza ; Newman, Mike ; Seamone, Ben ; Stevens, Brett
The Electronic Journal of Combinatorics [electronic only], Tome 18 (2011), / Harvested from The Electronic Library of Mathematics
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Publié le : 2011-01-01
EUDML-ID : urn:eudml:doc:228343 
@article{05852471,
     title = {Digraphs are 2-weight choosable.},
     journal = {The Electronic Journal of Combinatorics [electronic only]},
     volume = {18},
     year = {2011},
     zbl = {1205.05101},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05852471}
}

Khatirinejad, Mahdad; Naserasr, Reza; Newman, Mike; Seamone, Ben; Stevens, Brett. Digraphs are 2-weight choosable.. The Electronic Journal of Combinatorics [electronic only], Tome 18 (2011) . http://gdmltest.u-ga.fr/item/05852471/