%0 Journal Article %A E. Cohen %T Arithmetical notes, IX. On the set of integers representable as a product of a prime and square %J Acta Arithmetica %D 1961 %P 417-420 %V 7 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-7-4-417-420/ %R 10.4064/aa-7-4-417-420 %G en %F 10_4064_aa_7_4_417_420