TY  - JOUR
AU  - W. Waliszewski
TI  - On closures of sets in quasi-algebras
JO  - Commentationes Mathematicae
PY  - 1967
SP  -  141
EP  - 143
VL  - 10
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/cm.v10i2.5587/
DO  - 10.14708/cm.v10i2.5587
LA  - pl
ID  - 10_14708_cm_v10i2_5587
ER  -