%0 Journal Article %A D. Landers %A L. Rogge %T Existence of Sufficient Regular Conditional Probabilities. %J Manuscripta mathematica %D 1972 %P 197-204 %V 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1972__7_154116/ %F MM2_1972__7_154116