TY  - JOUR
AU  - Narkiewicz, Władysław
AU  - Šalát, Tibor
TI  - A theorem of H. Steinhaus and $(R)$-dense sets of positive integers
JO  - Czechoslovak Mathematical Journal
PY  - 1984
SP  - 355
EP  - 361
VL  - 34
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1984.101960/
DO  - 10.21136/CMJ.1984.101960
LA  - en
ID  - 10_21136_CMJ_1984_101960
ER  -