TY  - JOUR
AU  - Porubský, Štefan
TI  - Identities involving covering systems. II.
JO  - Mathematica slovaca
PY  - 1994
SP  - 555
EP  - 568
VL  - 44
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MASLO_1994__44_5_a6/
LA  - en
ID  - MASLO_1994__44_5_a6
ER  -