@article{hal-00095651, author = {Cegielski, Patrick}, title = {The Elementary Theory of the Natural Lattice is Finitely Axiomatizable}, journal = {HAL}, volume = {1989}, number = {0}, year = {1989}, language = {en}, url = {http://dml.mathdoc.fr/item/hal-00095651} }
Cegielski, Patrick. The Elementary Theory of the Natural Lattice is Finitely Axiomatizable. HAL, Tome 1989 (1989) no. 0, . http://gdmltest.u-ga.fr/item/hal-00095651/