TY  - JOUR
AU  - Duda, Jaromír
TI  - Identities for direct decomposability of congruences can be written in two variables
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1987
SP  - 784
VL  - 28
IS  - 4
UR  - http://geodesic.mathdoc.fr/item/CMUC_1987_28_4_a16/
LA  - en
ID  - CMUC_1987_28_4_a16
ER  -