Discrete Mathematics
Discrete Mathematics > 2009 > 309 > 8 > 2197-2201
Discrete Mathematics > 2009 > 309 > 10 > 2990-2997
Discrete Mathematics > 2009 > 309 > 10 > 3413-3419
Discrete Mathematics > 2009 > 309 > 10 > 3431-3435
Discrete Mathematics > 2009 > 309 > 11 > 3674-3679
Discrete Mathematics > 2009 > 309 > 12 > 3871-3881
Discrete Mathematics > 2009 > 309 > 17 > 5432-5436
Discrete Mathematics > 2009 > 309 > 21 > 6153-6159
Discrete Mathematics > 2009 > 309 > 22 > 6337-6343