%0 Journal Article %A P. TurĂ¡n %T On the twin-prime problem, II %J Acta Arithmetica %D 1967 %P 61-89 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-13-1-61-89/ %R 10.4064/aa-13-1-61-89 %G en %F 10_4064_aa_13_1_61_89