中国科学院数学与系统科学研究院期刊网
Face Labelings of Klein-bottle Fullerenes
Martin BAČA, Maria NASEEM, Ayesha SHABBIR
Acta Mathematicae Applicatae Sinica(English Series) . 2017, (2): 277 -286 .  DOI: 10.1007/s10255-017-0658-1