Ohta, Kazuchika (shinshu Univ (1) C S (univ Of Houston, Usa) Ting, Ching Wu (univ Of Houston, Usa) Chu, Shiing-shen (nankai Univ, China) Chern (1) Brink L (1) Verma, Mahendra Kumar (indian Inst Of Technology Kanpur (1) Leung, Y C (.) (1)