TY  - JOUR
AU  - Chajda, Ivan
AU  - Zelinka, Bohdan
TI  - Tolerances and congruences on implication algebras
JO  - Czechoslovak Mathematical Journal
PY  - 1988
SP  - 207
EP  - 217
VL  - 38
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1988.102214/
DO  - 10.21136/CMJ.1988.102214
LA  - en
ID  - 10_21136_CMJ_1988_102214
ER  -