TY  - JOUR
AU  - Joseph T. Borrego
TI  - Continuity of the operation in a semilattice
JO  - Colloquium Mathematicum
PY  - 1970
SP  - 49
EP  - 52
VL  - 21
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-21-1-49-52/
DO  - 10.4064/cm-21-1-49-52
LA  - en
ID  - 10_4064_cm_21_1_49_52
ER  -