%0 Journal Article
%A I. K. Lifanov
%T Some theorems concerning the $\operatorname{Ind}$ dimension
%J Doklady Akademii Nauk
%D 1967
%P 33-36
%V 177
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1967_177_1_a7/
%G ru
%F DAN_1967_177_1_a7