@article{1270043624, author = {KUMAHARA, Keisaku}, title = {Invariant Bihinear Forms for Heisenberg Group}, journal = {Tokyo J. of Math.}, volume = {18}, number = {2}, year = {1995}, pages = { 231-246}, language = {en}, url = {http://dml.mathdoc.fr/item/1270043624} }
KUMAHARA, Keisaku. Invariant Bihinear Forms for Heisenberg Group. Tokyo J. of Math., Tome 18 (1995) no. 2, pp. 231-246. http://gdmltest.u-ga.fr/item/1270043624/