About author:YANG Shi-chun(1969-),male,native of Xichong,Sichuan,a lecturer of Aba Teacher's College, M.S.D.,engages in number theory;MA Chang-wei(1972 ),male(Huizu),native of Maoxian,Sichuan,a lecturer of Aba Teacher's College,M.S.D.,engages in mathematical analysis.
Supported by:
Supported by the Natural Science Foundation of China(10271104);Supported by the Natural Science Foundation of Education Department of Sichuan Province(2004B25)
