Discrete Mathematics
Discrete Mathematics > 2009 > 309 > 10 > 3125-3130
Discrete Mathematics > 2009 > 309 > 19 > 5834-5840
Discrete Mathematics > 2009 > 309 > 22 > 6359-6367
Discrete Mathematics > 2009 > 309 > 10 > 3125-3130
Discrete Mathematics > 2009 > 309 > 19 > 5834-5840
Discrete Mathematics > 2009 > 309 > 22 > 6359-6367