@Article{zbMATH03028052,
Author = {F. J. {Murray} and J. {von Neumann}},
Title = {{On rings of operators. II}},
FJournal = {{Transactions of the American Mathematical Society}},
Journal = {{Trans. Am. Math. Soc.}},
ISSN = {0002-9947; 1088-6850/e},
Volume = {41},
Pages = {208--248},
Year = {1937},
Publisher = {American Mathematical Society (AMS), Providence, RI},
Language = {English},
Zbl = {0017.36001}
}