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@article{AM2_1972__8_136278, author = {Svetozar Kurepa}, title = {On {Bimorphisms} and {Quadratic} {Forms} on {Groups.} {(Short} {Communications).}}, journal = {Aequationes mathematicae}, pages = {191--191}, publisher = {mathdoc}, volume = {8}, year = {1972}, zbl = {0256.20054}, url = {http://geodesic.mathdoc.fr/item/AM2_1972__8_136278/} }
Svetozar Kurepa. On Bimorphisms and Quadratic Forms on Groups. (Short Communications).. Aequationes mathematicae, Tome 8 (1972), p. 191. http://geodesic.mathdoc.fr/item/AM2_1972__8_136278/