TY  - JOUR
AU  - Joel Berman
TI  - Distributive lattices with an additional unary operation.
JO  - Aequationes mathematicae
PY  - 1977
SP  - 165
EP  - 172
VL  - 16
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1977__16_136685/
ID  - AM2_1977__16_136685
ER  -