@article{1183526019, author = {Sakai, Sh\^oichir\^o}, title = {On the reduction theory of von Neumann}, journal = {Bull. Amer. Math. Soc.}, volume = {70}, number = {6}, year = {1964}, pages = { 393-398}, language = {en}, url = {http://dml.mathdoc.fr/item/1183526019} }
Sakai, Shôichirô. On the reduction theory of von Neumann. Bull. Amer. Math. Soc., Tome 70 (1964) no. 6, pp. 393-398. http://gdmltest.u-ga.fr/item/1183526019/