%0 Journal Article %A Alexandr Kostochka %T On a theorem of Erdős, Rubin, and Taylor on choosability of complete bipartite graphs %J The electronic journal of combinatorics %D 2002 %V 9 %U http://geodesic.mathdoc.fr/articles/10.37236/1670/ %R 10.37236/1670 %F 10_37236_1670