%0 Journal Article %A Montanaro, A. %A Bressan, A. %T Contributions to foundations of probability calculus on the basis of the modal logical calculus $MC^\nu $ or $MC^\nu _\ast $ %J Rendiconti del Seminario Matematico della Università di Padova %D 1983 %P 1-11 %V 70 %I Seminario Matematico of the University of Padua %U http://archive.numdam.org/item/RSMUP_1983__70__1_0/ %G en %F RSMUP_1983__70__1_0