TY  - JOUR
AU  - N. Levine
TI  - On the intersection of open sets containing the diagonal
JO  - Commentationes Mathematicae
PY  - 1971
SP  -  67
EP  - 73
VL  - 15
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/cm.v15i1.5704/
DO  - 10.14708/cm.v15i1.5704
LA  - pl
ID  - 10_14708_cm_v15i1_5704
ER  -