%0 Journal Article
%A Hao Pan
%A Zhi-Wei Sun
%T A characterization of covering equivalence
%J Acta Arithmetica
%D 2007
%P 397-402
%V 129
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/aa129-4-8/
%R 10.4064/aa129-4-8
%G en
%F 10_4064_aa129_4_8