Discrete Mathematics
Discrete Mathematics > 2009 > 309 > 9 > 2948-2951
Discrete Mathematics > 2009 > 309 > 12 > 3853-3865
Discrete Mathematics > 2009 > 309 > 13 > 4584-4589
Discrete Mathematics > 2009 > 309 > 18 > 5770-5780
Discrete Mathematics > 2009 > 309 > 9 > 2948-2951
Discrete Mathematics > 2009 > 309 > 12 > 3853-3865
Discrete Mathematics > 2009 > 309 > 13 > 4584-4589
Discrete Mathematics > 2009 > 309 > 18 > 5770-5780