TY  - BOOK
AU  - Collatz Lothar
AU  - Oser Hansjorg
TI  - Functional analysis and numerical mathematics
U1  - 515.7 
PY  - 1966///
CY  - London
PB  - Academic Press
KW  - Calculus
KW  - Functional analysis
N1  - German ed also in library
ER  -