TY  - BOOK
AU  - Bachem, A., ed.
AU  - Grotschel, M., ed.
AU  - Korte, B., ed.
TI  - Mathematical programming: the state of the art
SN  - 3540120823
U1  - 519.7 
PY  - 1983///
CY  - Berlin
PB  - Springer-Verlag
ER  -