TY - Front. Electr. Electron. Eng. A1 - GAO Bin, HU Shu-gen, SONG Xiao-wen, YU Xiao-li T1 - Theory of constructing closed parametric curves based on manifolds Y1 - 2006-12-05 JF - Frontiers of Electrical and Electronic Engineering JO - Front. Electr. Electron. Eng. SP - 451 EP - 454 VL - 1 IS - 4 UR - https://journal.hep.com.cn/fee N1 - 10.1007/s11460-006-0086-0 ER -