@article{ADVC_2019_a0,
     author = {Zden\v{e}k Dvo\v{r}\'ak and Xiaolan Hu and Jean-S\'ebastien Sereni},
     title = {A $4$-choosable graph that is not $(8:2)$-choosable},
     journal = {Advances in Combinatronics},
     publisher = {mathdoc},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADVC_2019_a0/}
}