@article{1195525923, author = {Kasahara, Shouro}, title = {A characterization of Hilbert space}, journal = {Proc. Japan Acad.}, volume = {30}, number = {10}, year = {1954}, pages = { 846-848}, language = {en}, url = {http://dml.mathdoc.fr/item/1195525923} }
Kasahara, Shouro. A characterization of Hilbert space. Proc. Japan Acad., Tome 30 (1954) no. 10, pp. 846-848. http://gdmltest.u-ga.fr/item/1195525923/