%0 Journal Article
%A K. K. Golovkin
%T Conditions for the smoothness of functions
%J Doklady Akademii Nauk
%D 1960
%P 1283-1286
%V 134
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1960_134_6_a3/
%G ru
%F DAN_1960_134_6_a3