Discrete Mathematics
Discrete Mathematics > 2009 > 309 > 10 > 3092-3101
Discrete Mathematics > 2009 > 309 > 12 > 4089-4094
Discrete Mathematics > 2009 > 309 > 15 > 4890-4902
Discrete Mathematics > 2009 > 309 > 10 > 3092-3101
Discrete Mathematics > 2009 > 309 > 12 > 4089-4094
Discrete Mathematics > 2009 > 309 > 15 > 4890-4902