%0 Journal Article
%A I. S. Ovchinnikov
%T The nonexistence of mappings of class $BL^{n/2}$ of a ball onto a region
%J Doklady Akademii Nauk
%D 1968
%P 24-27
%V 179
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1968_179_1_a4/
%G ru
%F DAN_1968_179_1_a4