TY  - JOUR
AU  - Friedrich Wehrung
TI  - Join-semilattices with two-dimensional congruence amalgamation
JO  - Colloquium Mathematicum
PY  - 2002
SP  - 209
EP  - 235
VL  - 93
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm93-2-2/
DO  - 10.4064/cm93-2-2
LA  - en
ID  - 10_4064_cm93_2_2
ER  -