%0 Journal Article %A D. R. Heath-Brown %T Square-free values of $n^2+1$ %J Acta Arithmetica %D 2012 %P 1-13 %V 155 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa155-1-1/ %R 10.4064/aa155-1-1 %G en %F 10_4064_aa155_1_1