TY  - BOOK
AU  - Johnson, Ellis L
TI  - Integer Programming: Facets, Subadditivity, and Duality for Group and Semi-Group Problems (e-book)
SN  - 9780898711622
U1  - 519.77 
PY  - 0000///
CY  - 
PB  - SIAM
KW  - Integer programming; Group theory; Semigroups
N1  - http://portal.igpublish.com/iglibrary/search/SIAMB0000187.main.html?13
ER  -