8[11]SHI Yun-long,et,al.Phase Diagram of one Dimensional Bosons in an Array of Local Potentials at Zero Temperature[J].Commun.Theor.Phys.2001,(36):375-380.
2Roller D.Dimension-driven Geometry in CAD:A Survey,Theory and Practice of Geometric Model[M].Strasser W,Seidel H-P.(eds).Springer-Verlag,1989,509-523.