%0 Journal Article %A A. M. Kagan %A V. P. Palamodov %T Conditions of optimal unbiased estimation of parametric functions for incomplete exponential families with polynomial constraints %J Doklady Akademii Nauk %D 1967 %P 1216-1218 %V 175 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_175_6_a3/ %G ru %F DAN_1967_175_6_a3