@article{1093956875,
author = {Rescher, Nicholas},
title = {On the formalization of two modal theses.},
journal = {Notre Dame J. Formal Logic},
volume = {2},
number = {1},
year = {1961},
pages = { 154-157},
language = {en},
url = {http://dml.mathdoc.fr/item/1093956875}
}
Rescher, Nicholas. On the formalization of two modal theses.. Notre Dame J. Formal Logic, Tome 2 (1961) no. 1, pp. 154-157. http://gdmltest.u-ga.fr/item/1093956875/