%0 Journal Article %A Chajda, Ivan %A Kolařík, Miroslav %A Švrček, Filip %T Properties of relatively pseudocomplemented directoids %J Mathematica Bohemica %D 2011 %P 9-23 %V 136 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2011.141445/ %R 10.21136/MB.2011.141445 %G en %F 10_21136_MB_2011_141445