TY  - JOUR
AU  - Porubský, Štefan
TI  - Identities involving covering systems. I.
JO  - Mathematica slovaca
PY  - 1994
SP  - 153
EP  - 162
VL  - 44
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MASLO_1994__44_2_a5/
LA  - en
ID  - MASLO_1994__44_2_a5
ER  -