%0 Journal Article %A Yoichi Motohashi %T On the distribution of prime numbers which are of the form $x^2 + y^2 +1$ %J Acta Arithmetica %D 1969 %P 351-364 %V 16 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-16-4-351-364/ %R 10.4064/aa-16-4-351-364 %G en %F 10_4064_aa_16_4_351_364