TY  - JOUR
AU  - Jordens, Olav
TI  - On modularity in lattices of congruences on ordered sets
JO  - Czechoslovak Mathematical Journal
PY  - 1992
SP  - 451
EP  - 460
VL  - 42
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1992.128341/
DO  - 10.21136/CMJ.1992.128341
LA  - en
ID  - 10_21136_CMJ_1992_128341
ER  -