TY  - JOUR
AU  - T. Šalát
TI  - On ratio sets of natural numbers
JO  - Acta Arithmetica
PY  - 1968
SP  - 273
EP  - 278
VL  - 15
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/aa-15-3-273-278/
DO  - 10.4064/aa-15-3-273-278
LA  - en
ID  - 10_4064_aa_15_3_273_278
ER  -