@article{1183492024, author = {Murray, F. H.}, title = {Invariant relations}, journal = {Bull. Amer. Math. Soc.}, volume = {33}, number = {6}, year = {1927}, pages = { 189-192}, language = {en}, url = {http://dml.mathdoc.fr/item/1183492024} }
Murray, F. H. Invariant relations. Bull. Amer. Math. Soc., Tome 33 (1927) no. 6, pp. 189-192. http://gdmltest.u-ga.fr/item/1183492024/