@article{1077466822, author = {Heider, L. J.}, title = {A characterization of function-lattices}, journal = {Duke Math. J.}, volume = {23}, number = {1}, year = {1956}, pages = { 297-301}, language = {en}, url = {http://dml.mathdoc.fr/item/1077466822} }
Heider, L. J. A characterization of function-lattices. Duke Math. J., Tome 23 (1956) no. 1, pp. 297-301. http://gdmltest.u-ga.fr/item/1077466822/