TY - JOUR AU - Montanaro, A. AU - Bressan, A. TI - Contributions to foundations of probability calculus on the basis of the modal logical calculus $MC^\nu $ or $MC^\nu _\ast $ JO - Rendiconti del Seminario Matematico della Università di Padova PY - 1981 SP - 109 EP - 126 VL - 64 PB - Seminario Matematico of the University of Padua UR - http://www.numdam.org/item/RSMUP_1981__64__109_0/ LA - en ID - RSMUP_1981__64__109_0 ER -