%0 Journal Article
%T On the unramified quadratic and biquadratic extensions of the field Q(sqrt{d},i)
%A A. Azizi
%A A. Zekhnini
%A M. Taous
%J International Journal of Algebra
%D 2012
%I 
%U http://www.m-hikari.com/ija/ija-2012/ija-21-24-2012/zekhniniIJA21-24-2012.pdf