TY  - BOOK
AU  - Mlak, Wlodzimierz.
TI  - Hilbert spaces and operator theory
T2  - Mathematics and its applications
SN  - 079231042X
U1  - 515.733 
PY  - 1991///
CY  - Dordrecht
PB  - Kluwer Academic Pub./ PWN
ER  -