@article{1195525646, author = {Ishihara, Shigeru}, title = {Groups of isometries of pseudo-Hermitian spaces, II}, journal = {Proc. Japan Acad.}, volume = {31}, number = {9}, year = {1955}, pages = { 418-420}, language = {en}, url = {http://dml.mathdoc.fr/item/1195525646} }
Ishihara, Shigeru. Groups of isometries of pseudo-Hermitian spaces, II. Proc. Japan Acad., Tome 31 (1955) no. 9, pp. 418-420. http://gdmltest.u-ga.fr/item/1195525646/