标题1：The distribution of the Theil U-statistic in bivariate normal populations<BR>期刊：Economics Letters.<BR>链接：<A href="http://ideas.repec.org/a/eee/ecolet/v38y1992i2p163-167.html#provider">http://ideas.repec.org/a/eee/ecolet/v38y1992i2p163-167.html#provider</A>