@article{1195525545, author = {It\^o, Takasi}, title = {On the commutativity of projection operators}, journal = {Proc. Japan Acad.}, volume = {31}, number = {9}, year = {1955}, pages = { 682-683}, language = {en}, url = {http://dml.mathdoc.fr/item/1195525545} }
Itô, Takasi. On the commutativity of projection operators. Proc. Japan Acad., Tome 31 (1955) no. 9, pp. 682-683. http://gdmltest.u-ga.fr/item/1195525545/