TY - JOUR AU - Dong Ye AU - Heping Zhang TI - Face-width of Pfaffian braces and polyhex graphs on surfaces JO - The electronic journal of combinatorics PY - 2014 VL - 21 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.37236/3540/ DO - 10.37236/3540 ID - 10_37236_3540 ER -