%0 Journal Article %A Harlenderová, Magdalena %A Rachůnek, Jiří %T Modal operators on MV-algebras %J Mathematica Bohemica %D 2006 %P 39-48 %V 131 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2006.134083/ %R 10.21136/MB.2006.134083 %G en %F 10_21136_MB_2006_134083