TY  - BOOK
AU  - Gohberg I C
AU  -  Krein M G
TI  - Introduction to the theory of linear nonselfad joint operators
T2  - Translations of mathematical monographs; 18
U1  - B48, K8 
PY  - 1969///
CY  - Providence
PB  - American mathematical society       
N1  - Bibliography 352-362p
ER  -