TY  - JOUR
AU  - Davey, Brian A.
TI  - Weak Injectivity and Congruence Extension in Congruence-Distributive Equational Classes
JO  - Canadian journal of mathematics
PY  - 1977
SP  - 449
EP  - 459
VL  - 29
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-048-1/
DO  - 10.4153/CJM-1977-048-1
ID  - 10_4153_CJM_1977_048_1
ER  -