%0 Journal Article %T On the Distribution of the Pe a Rodr¨ªguez Portmanteau Statistic %A Serge B. Provost %A Deepak Sanjel %A Susan Z. Sheng %J Pakistan Journal of Statistics and Operation Research %D 2012 %I University of the Punjab %R 10.1234/pjsor.v8i3.517 %K Portmanteau test %K Moments %K Gamma approximation %K Beta approximation %K Symbolic computation. %U http://www.pjsor.com/index.php/pjsor/article/view/517