TY  - BOOK
AU  - Johnson, E. L., ed.
AU  - Hammer, P. L., ed.
AU  - Korte, B. H., ed.
TI  - Discrete optimization part 1
T2  - annals of discrete mathematics 4
SN  - 0444853227
U1  - 519.72 
PY  - 1979///
CY  - Amsterdam
PB  - North-Holland
ER  -