TY - JOUR AU - Naoki Matsumoto TI - The size of edge-critical uniquely 3-colorable planar graphs JO - The electronic journal of combinatorics PY - 2013 VL - 20 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.37236/3228/ DO - 10.37236/3228 ID - 10_37236_3228 ER -