TY  - BOOK
AU  - Balakrishnan A V
TI  - Applied functional analysis
T2  - Application for mathematics; 3a
U1  - B43, L61;M1 
PY  - 1981///
CY  - New York    
PB  -  Springer-verlag        
KW  -  Mathematical optimization
KW  - Hilbert spaces
ER  -