%0 Journal Article
%A Samuel G. Moreno
%A Esther M. García-Caballero
%T To be integer or not to be rational: that is the questio$\sqrt{N}$
%J The Teaching of Mathematics
%D 2013
%P 79 
%V XVI
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM2_2013_XVI_2_a2/
%G en
%F TM2_2013_XVI_2_a2