@article{MET_1996__44_3_176678,
     author = {M.M. Mohie El-Din and S.E. Abu-Youssef and K.S. Sultan},
     title = {An {Identity} for the {Product} {Moments} of {Order} {Statistics.}},
     journal = {Metrika},
     pages = {95--100},
     publisher = {mathdoc},
     volume = {44},
     number = {3},
     year = {1996},
     zbl = {0862.62045},
     url = {http://geodesic.mathdoc.fr/item/MET_1996__44_3_176678/}
}