@article{1102688346, author = {Souto Men\'endez, Jos\'e M.}, title = {On a theorem due to Cassels.}, journal = {Pacific J. Math.}, volume = {135}, number = {2}, year = {1988}, pages = { 81-88}, language = {en}, url = {http://dml.mathdoc.fr/item/1102688346} }
Souto Menéndez, José M. On a theorem due to Cassels.. Pacific J. Math., Tome 135 (1988) no. 2, pp. 81-88. http://gdmltest.u-ga.fr/item/1102688346/