TY  - BOOK
AU  - Schrijver,A.
TI  - Combinatorial optimization: polyhedra and efficiency 
T2  - Algorithms and combinatorics,
SN  - 3540443894 (papel libre de acido)
AV  - QA402.5 S385
PY  - 2003///
CY  - Berlin
PB  - Springer Verlag
KW  - Optimización combinatoria
ER  -