@article{1183735043,
author = {Bull, R. A.},
title = {An Algebraic Study of Diodorean Modal Systems},
journal = {J. Symbolic Logic},
volume = {30},
number = {1},
year = {1965},
pages = { 58-64},
language = {en},
url = {http://dml.mathdoc.fr/item/1183735043}
}
Bull, R. A. An Algebraic Study of Diodorean Modal Systems. J. Symbolic Logic, Tome 30 (1965) no. 1, pp. 58-64. http://gdmltest.u-ga.fr/item/1183735043/