俞义美,兰屏山,俞义樵.广义相对论中行星轨道方程推导[J].重庆工商大学学报（自然科学版）,2000,(1):
YU Yi_mei LAN Pin_shan YU Yi_qiao . Derivation of the Planet Orbital Equation in the Generalized Relativity Theory[J]. Journal of Chongqing Technology and Business University(Natural Science Edition）,2000,(1):