A subadditive approach to the group problem of integer programming
1974 ◽
pp. 51-71
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1979 ◽
pp. 97-112
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1987 ◽
Vol 31
(2)
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pp. 206-212
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Keyword(s):
2001 ◽
Vol 52
(5)
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pp. 545-558
Keyword(s):
2012 ◽
Vol 132
(2)
◽
pp. 170-177
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