范文杰 刘芳. GM(1,1)模型在田径成绩预测中的运用[J].智能科学与工程学报,2001,(3):
FAN Wen-jie, LIU Fang. Application of GM ( 1,1 ) Model in Predicting Results in Track and Field Sports[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),2001,(3):