%0 Journal Article
%A G. I. Ivchenko
%A S. V. Tsukanov
%T A new way of analyzing frequencies in the method of grouping of observations, and the optimality of the $\chi^2$ test
%J Doklady Akademii Nauk
%D 1984
%P 287-291
%V 277
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1984_277_2_a6/
%G ru
%F DAN_1984_277_2_a6