%0 Journal Article
%T The crossed product R#_sigmaG and a group-ring R[G]
%A Xu Yonghua
%A K.P. Shum
%J International Journal of Algebra
%D 2012
%I 
%U http://www.m-hikari.com/ija/ija-2012/ija-13-16-2012/shumIJA13-16-2012.pdf