@article{1077470388, author = {Frink, Orrin}, title = {Pseudo-complements in semi-lattices}, journal = {Duke Math. J.}, volume = {29}, number = {1}, year = {1962}, pages = { 505-514}, language = {en}, url = {http://dml.mathdoc.fr/item/1077470388} }
Frink, Orrin. Pseudo-complements in semi-lattices. Duke Math. J., Tome 29 (1962) no. 1, pp. 505-514. http://gdmltest.u-ga.fr/item/1077470388/