TY  - JOUR
AU  - Jipsen, Peter
TI  - Absolute Retracts and Amalgamation in Certain Congruence Distributive Varieties
JO  - Canadian mathematical bulletin
PY  - 1989
SP  - 309
EP  - 313
VL  - 32
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1989-044-x/
DO  - 10.4153/CMB-1989-044-x
ID  - 10_4153_CMB_1989_044_x
ER  -