TY  - JOUR
AU  - Zelinka, Bohdan
TI  - Tolerances and congruences on tree algebras
JO  - Czechoslovak Mathematical Journal
PY  - 1975
SP  - 634
EP  - 637
VL  - 25
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1975.101358/
DO  - 10.21136/CMJ.1975.101358
LA  - en
ID  - 10_21136_CMJ_1975_101358
ER  -