TY  - BOOK
AU  - Hiai, Fumio and Kosaki, Hideki
AU  - Kosaki, Hideki ; jt. auth.
TI  - Means of hilbert space operators
T2  - Lecture notes in mathematics
U1  - 515.72 
CY  - Berlin
PB  - Springer-Verlag
N1  - Duplicate phtocopy
ER  -