TY  - JOUR
AU  - E. Cohen
TI  - Arithmetical functions associated with arbitrary sets of integers
JO  - Acta Arithmetica
PY  - 1959
SP  - 407
EP  - 415
VL  - 5
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/aa-5-4-407-415/
DO  - 10.4064/aa-5-4-407-415
LA  - en
ID  - 10_4064_aa_5_4_407_415
ER  -