@article{1183383692, author = {Hempel, Carl G.}, title = {A Purely Topological Form of Non-Aristotelian Logic}, journal = {J. Symbolic Logic}, volume = {2}, number = {2}, year = {1937}, pages = { 97-112}, language = {en}, url = {http://dml.mathdoc.fr/item/1183383692} }
Hempel, Carl G. A Purely Topological Form of Non-Aristotelian Logic. J. Symbolic Logic, Tome 2 (1937) no. 2, pp. 97-112. http://gdmltest.u-ga.fr/item/1183383692/