%0 Journal Article
%A M. R. Gabdullin
%T Sets in $\mathbb{Z}_m$ whose difference sets avoid squares
%J Sbornik. Mathematics
%D 2018
%P 1603-1610
%V 209
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_2018_209_11_a2/
%G en
%F SM_2018_209_11_a2