@article{1204835737, author = {Wehmeier, Kai F.}, title = {How old is first-order logic?}, journal = {Mod. Log.}, volume = {6}, number = {1}, year = {1996}, language = {en}, url = {http://dml.mathdoc.fr/item/1204835737} }
Wehmeier, Kai F. How old is first-order logic?. Mod. Log., Tome 6 (1996) no. 1, . http://gdmltest.u-ga.fr/item/1204835737/