TY  - JOUR
AU  - A. Ivić
TI  - An asymptotic formula for elements of a semigroup of integers
JO  - Matematički vesnik
PY  - 1973
SP  - 255 
VL  - 25
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MV_1973_25_1_a31/
ID  - MV_1973_25_1_a31
ER  -