TY  - BOOK
AU  - Naimark, M. A.
AU  -  
TI  - Linear differential operators: Pt. 2, linear differential operatorsin hilbert space / 
AV  - QA372 .N21321968
U1  - 517.382 
PY  - 1968///
CY  - London, Toronto
PB  - Harrap
KW  - Differential equations, Linear
KW  - Differential operators
N1  - Includes bibliographical references and indexes; pt. 1. Elementary theory of linear differential operators -- pt. 2. Linear differential operators in Hilbert space
ER  -