@article{GDZPPN002060671, title = {Infinite Symplectic Groups over Rings}, journal = {Commentarii mathematici Helvetici}, volume = {47}, year = {1972}, pages = {254-259}, zbl = {0234.20022}, url = {http://dml.mathdoc.fr/item/GDZPPN002060671} }
Maxwell, George. Infinite Symplectic Groups over Rings. Commentarii mathematici Helvetici, Tome 47 (1972) pp. 254-259. http://gdmltest.u-ga.fr/item/GDZPPN002060671/