中国科学院数学与系统科学研究院期刊网
AMS
Mutation on Knots and Whitney's 2-Isomorphism Theorem
Zhi Yun CHENG, Hong Zhu GAO
Acta Mathematica Sinica . 2013, (6): 1219 -1230 .  DOI: 10.1007/s10114-013-0679-5