@article{1093893348, author = {Seldin, Jonathan P.}, title = {Note on definitional reductions.}, journal = {Notre Dame J. Formal Logic}, volume = {9}, number = {1}, year = {1968}, pages = { 4-6}, language = {en}, url = {http://dml.mathdoc.fr/item/1093893348} }
Seldin, Jonathan P. Note on definitional reductions.. Notre Dame J. Formal Logic, Tome 9 (1968) no. 1, pp. 4-6. http://gdmltest.u-ga.fr/item/1093893348/