TY  - BOOK
AU  -  Helson,Henry
AU  - Yadav B.S.
TI  - Invariant subspaces and allied topics
SN  - 81-85198-25-X
U1  - 512.894  
PY  - 1990///
CY  - New Delhi
PB  - Narosa Publishers
KW  - Invariant spaces
ER  -