TY  - JOUR
AU  - Grätzer, G.
AU  - Lakser, H.
TI  - A Note on the Implicational Class Generated by a Class of Structures
JO  - Canadian mathematical bulletin
PY  - 1973
SP  - 603
EP  - 605
VL  - 16
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-100-4/
DO  - 10.4153/CMB-1973-100-4
ID  - 10_4153_CMB_1973_100_4
ER  -