2SHAO JIAYU,(Department of Applied Mathematics, Tonsil University, Shanghai 200092, China.)WU XIAOJUN ,(Project supported by the National Natural Science FOundation of China and Shanghai Science anda’echnolgy Developing FOundation.).FINITENESS CONDITIONS FOR GENERALIZED EXPONENTS OF DIGRAPHS[J].Chinese Annals of Mathematics,Series B,1998,19(4):453-464. 被引量:5