TY  - JOUR
AU  - Chajda, Ivan
AU  - Kolařík, Miroslav
TI  - A common approach to directoids with an antitone involution and D-quasirings
JO  - Discussiones Mathematicae. General Algebra and Applications
PY  - 2008
SP  - 139
EP  - 145
VL  - 28
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DMGAA_2008_28_2_a0/
LA  - en
ID  - DMGAA_2008_28_2_a0
ER  -