@article{DMGAA_2008_28_2_a0,
     author = {Chajda, Ivan and Kola\v{r}{\'\i}k, Miroslav},
     title = {A common approach to directoids with an antitone involution and {D-quasirings}},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {139--145},
     publisher = {mathdoc},
     volume = {28},
     number = {2},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2008_28_2_a0/}
}