TY  - JOUR
AU  - R. E. Jamison
TI  - Tietze's convexity theorey for lattices and semilattices.
JO  - Semigroup forum
PY  - 1977
SP  - 357
EP  - 374
VL  - 15
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1977__15_134267/
LA  - en
ID  - SF_1977__15_134267
ER  -