%0 Journal Article %A G. P. Chistyakov %T On the conditions under which probability laws with nonanalytic characteristic functions belong to class $I_0$ %J Doklady Akademii Nauk %D 1971 %P 280-283 %V 201 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_201_2_a5/ %G ru %F DAN_1971_201_2_a5