TY  - JOUR
AU  - Chajda, Ivan
AU  - Zelinka, Bohdan
TI  - Directly decomposable tolerances on direct products of lattices and semilattices
JO  - Czechoslovak Mathematical Journal
PY  - 1983
SP  - 519
EP  - 521
VL  - 33
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1983.101907/
DO  - 10.21136/CMJ.1983.101907
LA  - en
ID  - 10_21136_CMJ_1983_101907
ER  -