TY  - JOUR
AU  - Porubský, Štefan
TI  - Generalization of Some Results for Exactly Covering Systems
JO  - Mathematica slovaca
PY  - 1972
SP  - 208
EP  - 214
VL  - 22
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/MASLO_1972_22_3_a2/
LA  - en
ID  - MASLO_1972_22_3_a2
ER  -