TY  - JOUR
AU  - E. I. Shustin
TI  - On asymptotic density of some sets of positive integers
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1983
SP  - 187
EP  - 194
VL  - 121
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1983_121_a14/
LA  - ru
ID  - ZNSL_1983_121_a14
ER  -