TY  - BOOK
AU  - Collatz, L. and Wetterling, W.
AU  - Wetterling, W. ; jt. auth.
AU  - Wadsack, P. ; tr.
TI  - Optimization problems
T2  - Applied Mathematical Sciences 
U1  - 519.91 
PY  - 1975///
CY  - New York
PB  - Springer-Verlag
N1  - "Tr. from the German by P. Wadsack"
ER  -