%0 Journal Article %A Olejček, Vladimír %T An atomic MV-effect algebra with non-atomic center %J Kybernetika %D 2007 %P 343-346 %V 43 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_2007__43_3_a5/ %G en %F KYB_2007__43_3_a5