%0 Journal Article %A Sh. W. Joshi %A G. P. Patil %T Sum-symmetric power series distributions and minimum ariance unbiased estimation %J Teoriâ veroâtnostej i ee primeneniâ %D 1974 %P 615-622 %V 19 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1974_19_3_a14/ %G en %F TVP_1974_19_3_a14