%0 Journal Article %A Dong Ye %A Heping Zhang %T Face-width of Pfaffian braces and polyhex graphs on surfaces %J The electronic journal of combinatorics %D 2014 %V 21 %N 4 %U http://geodesic.mathdoc.fr/articles/10.37236/3540/ %R 10.37236/3540 %F 10_37236_3540