%0 Journal Article %A P. TurĂ¡n %T On the twin-prime problem III %J Acta Arithmetica %D 1968 %P 399-407 %V 14 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-14-4-399-407/ %R 10.4064/aa-14-4-399-407 %G en %F 10_4064_aa_14_4_399_407