@article{1093887823, author = {Georgacarakos, G. N.}, title = {Abnormal worlds and the non-Lewis modal systems.}, journal = {Notre Dame J. Formal Logic}, volume = {18}, number = {1}, year = {1977}, pages = { 95-100}, language = {en}, url = {http://dml.mathdoc.fr/item/1093887823} }
Georgacarakos, G. N. Abnormal worlds and the non-Lewis modal systems.. Notre Dame J. Formal Logic, Tome 18 (1977) no. 1, pp. 95-100. http://gdmltest.u-ga.fr/item/1093887823/