@article{1178245010,
author = {Sakai, Sh\^oichir\^o},
title = {The absolute value of $W^*$-algebras of finite type},
journal = {Tohoku Math. J. (2)},
volume = {8},
number = {3},
year = {1956},
pages = { 70-85},
language = {en},
url = {http://dml.mathdoc.fr/item/1178245010}
}
Sakai, Shôichirô. The absolute value of $W^*$-algebras of finite type. Tohoku Math. J. (2), Tome 8 (1956) no. 3, pp. 70-85. http://gdmltest.u-ga.fr/item/1178245010/