TY  - JOUR
AU  - PaweŁ Idziak
AU  - Andrzej Wroński
TI  - Definability of principal congruences in equivalential algebras
JO  - Colloquium Mathematicum
PY  - 1997
SP  - 225
EP  - 238
VL  - 74
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-74-2-225-238/
DO  - 10.4064/cm-74-2-225-238
LA  - en
ID  - 10_4064_cm_74_2_225_238
ER  -