@article{00591047,
title = {Classical logic with some probability operators.},
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {53(67)},
year = {1993},
pages = {1-3},
zbl = {0799.03018},
language = {en},
url = {http://dml.mathdoc.fr/item/00591047}
}
Rašković, Miodrag. Classical logic with some probability operators.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 53(67) (1993) pp. 1-3. http://gdmltest.u-ga.fr/item/00591047/