TY - Chin. Phys. B A1 - Ren Hong-Ping(任红萍), Cheng Yu-Min(程玉民), and Zhang Wu(张武) T1 - An improved boundary element-free method (IBEFM) for two-dimensional potential problems Y1 - 2009-10-20 JF - Chinese Physics B JO - Chin. Phys. B SP - 4065 EP - 4073 VL - 18 IS - 10 UR - https://cpb.iphy.ac.cn N1 - 10.1088/1674-1056/18/10/002 ER -