@article{1093891710, author = {Rickey, V. Frederick}, title = {Creative definitions in propositional calculi.}, journal = {Notre Dame J. Formal Logic}, volume = {16}, number = {1}, year = {1975}, pages = { 273-294}, language = {en}, url = {http://dml.mathdoc.fr/item/1093891710} }
Rickey, V. Frederick. Creative definitions in propositional calculi.. Notre Dame J. Formal Logic, Tome 16 (1975) no. 1, pp. 273-294. http://gdmltest.u-ga.fr/item/1093891710/