TY  - JOUR
AU  - Lihová, Judita
TI  - Direct factors of directed groups
JO  - Archivum mathematicum
PY  - 1991
SP  - 221
EP  - 227
VL  - 27
IS  - 3-4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ARM_1991__27_3-4_a11/
LA  - en
ID  - ARM_1991__27_3-4_a11
ER  -