TY - JOUR AU - E. Cohen TI - Arithmetical notes, IX. On the set of integers representable as a product of a prime and square JO - Acta Arithmetica PY - 1961 SP - 417 EP - 420 VL - 7 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-7-4-417-420/ DO - 10.4064/aa-7-4-417-420 LA - en ID - 10_4064_aa_7_4_417_420 ER -