@article{1183736201, author = {Zeman, J. Jay}, title = {Some Calculi with Strong Negation Primitive}, journal = {J. Symbolic Logic}, volume = {33}, number = {1}, year = {1968}, pages = { 97-100}, language = {en}, url = {http://dml.mathdoc.fr/item/1183736201} }
Zeman, J. Jay. Some Calculi with Strong Negation Primitive. J. Symbolic Logic, Tome 33 (1968) no. 1, pp. 97-100. http://gdmltest.u-ga.fr/item/1183736201/