One Hundred and Eighty-nine Homeomorphism Classes of the G. M.   

作　　者：袁夫永 

出　　处：《Chinese Quarterly Journal of Mathematics》1997年第3期75-86, ,共12页数学季刊（英文版）

摘　　要：In this paper the homeomorphism number of G. M.has been finded with the method of that push the negative edges in inner tier and outer tier into the middle tier as far as possible.

关 键 词：negative edge positive edge radioedge 

分 类 号：O189.31[理学—数学]