中国科学院数学与系统科学研究院期刊网
AMS
Graphs Whose Critical Groups Have Larger Rank
Yao Ping HOU, Wai Chee SHIU, Wai Hong CHAN
Acta Mathematica Sinica . 2011, (9): 1663 -1670 .  DOI: 10.1007/s10114-011-9358-6