@article{10_37236_508,
     author = {Mahdad Khatirinejad and Reza Naserasr and Mike Newman and Ben Seamone and Brett Stevens},
     title = {Digraphs are 2-weight choosable},
     journal = {The electronic journal of combinatorics},
     year = {2011},
     volume = {18},
     number = {1},
     doi = {10.37236/508},
     zbl = {1205.05101},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/508/}
}