%0 Journal Article %A Chajda, Ivan %T Pseudosemirings induced by ortholattices %J Czechoslovak Mathematical Journal %D 1996 %P 405-411 %V 46 %N 3 %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1996.127305/ %R 10.21136/CMJ.1996.127305 %G en %F 10_21136_CMJ_1996_127305