@article{1177706207, author = {Shrikhande, S. S.}, title = {The Uniqueness of the $\mathrm{L}\_2$ Association Scheme}, journal = {Ann. Math. Statist.}, volume = {30}, number = {4}, year = {1959}, pages = { 781-798}, language = {en}, url = {http://dml.mathdoc.fr/item/1177706207} }
Shrikhande, S. S. The Uniqueness of the $\mathrm{L}_2$ Association Scheme. Ann. Math. Statist., Tome 30 (1959) no. 4, pp. 781-798. http://gdmltest.u-ga.fr/item/1177706207/