TY  - BOOK
AU  - Collatz L
AU  -  Wetterling W
TI  - Optimization problems Tr by P Wadsack
T2  - Applied Mathematical Sciences. 17
U1  - B7:3, L5 
PY  - 1975///
CY  - New York
PB  - Springer-Verlag         
KW  - Optimization
N1  - Bibliograpphy: P 345-349; Appendix: P 325-332
ER  -