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Discrete Applied Mathematics > 1999 > 96-97 > 307-326
Discrete Mathematics > 1995 > 140 > 1-3 > 23-46
IEEE Transactions on Computers > 1968 > C-17 > 1 > 57 - 66
Discrete Applied Mathematics > 1999 > 96-97 > 307-326
Discrete Mathematics > 1995 > 140 > 1-3 > 23-46
IEEE Transactions on Computers > 1968 > C-17 > 1 > 57 - 66