@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/