Essential closed surfaces in surface sum of product I-bundle of closed surfaces
product、results、classification、essential、paper
O119(古典数学)
The author would like to thank Professor Ruifeng Qiu for his helpful discussion on this paper and the author was very grateful to the referees for their valuable comments and suggestions which lead to the improvement of this paper;This work was supported by the National Natural Science Foundation of China10901029
2012-03-06(万方平台首次上网日期,不代表论文的发表时间)
945-956