Discrete Mathematics
Discrete Mathematics > 2011 > 311 > 1 > 70-79
Discrete Mathematics > 2011 > 311 > 8-9 > 571-576
Discrete Mathematics > 2011 > 311 > 14 > 1273-1280
Discrete Mathematics > 2011 > 311 > 18-19 > 2085-2094
Discrete Mathematics > 2011 > 311 > 23-24 > 2657-2662