Topological structure of Gauss--Bonnet--Chern theorem and p-branes
田苗, 张欣会, 段一士
Topological structure of Gauss--Bonnet--Chern theorem and $\tilde{p}$-branes
Tian Miao(田苗), Zhang Xin-Hui(张欣会), and Duan Yi-Shi(段一士)
中国物理B . 2009, (4): 1301 -1305 .  DOI: 10.1088/1674-1056/18/4/001