TY  - BOOK
AU  - Helson,Henry (ed)
AU  - Yadav, B S (ed)
TI  - Invariant subspaces and allied topics
SN  - 818519825X
U1  - 515.7 
PY  - 1990///
CY  - New Delhi
PB  - Narosa Publishing House
KW  - Functional analysis
KW  - Congresses
KW  - Invariant subspaces
KW  - Operator theory
ER  -