%0 Journal Article %A Zdeněk Dvořák %A Jean-Sébastien Sereni %A Jan Volec %T Fractional coloring of triangle-free planar graphs %J The electronic journal of combinatorics %D 2015 %V 22 %N 4 %U http://geodesic.mathdoc.fr/articles/10.37236/4135/ %R 10.37236/4135 %F 10_37236_4135