TY - JOUR AU - Yasuhiro Nakashima TI - A partial generalization of the Livingstone-Wagner Theorem JO - Ars Mathematica Contemporanea PY - 2009 SP - 207 EP - 215 VL - 2 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.92.46f/ DO - 10.26493/1855-3974.92.46f LA - en ID - 10_26493_1855_3974_92_46f ER -