TY  - JOUR
AU  - Mišík, Ladislav
TI  - Sets of positive integers with prescribed values of densities
JO  - Mathematica slovaca
PY  - 2002
SP  - 289
EP  - 296
VL  - 52
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MASLO_2002__52_3_a3/
LA  - en
ID  - MASLO_2002__52_3_a3
ER  -