%0 Journal Article %A Li Hoang Tu %T Approximately optimal properties of Wald tests, and the problem of the testing of statistical hypotheses %J Doklady Akademii Nauk %D 1969 %P 250-253 %V 189 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_189_2_a6/ %G ru %F DAN_1969_189_2_a6