@article{1093882813, author = {Brink, Chris}, title = {Two axiom systems for relation algebras.}, journal = {Notre Dame J. Formal Logic}, volume = {20}, number = {1}, year = {1979}, pages = { 909-914}, language = {en}, url = {http://dml.mathdoc.fr/item/1093882813} }
Brink, Chris. Two axiom systems for relation algebras.. Notre Dame J. Formal Logic, Tome 20 (1979) no. 1, pp. 909-914. http://gdmltest.u-ga.fr/item/1093882813/