TY  - BOOK
AU  - Apostol C
ED  - International Conference on Operator theory( 6th : 1981 : Romania )
ED  - International Conference on Operator theory 6th
TI  - Invariant subspaces and other topics: proceedings
U1  - 515.724 
PY  - 1982///
CY  - Basel
PB  - Birkhauser Verlag
KW  - Calculus
KW  - Invariannt subsspaces
ER  -