Discrete Mathematics
Discrete Mathematics > 2011 > 311 > 1 > 67-69
Discrete Mathematics > 2011 > 311 > 2-3 > 166-170
Discrete Mathematics > 2011 > 311 > 6 > 398-407
Discrete Mathematics > 2011 > 311 > 8-9 > 761-768
Discrete Mathematics > 2011 > 311 > 10-11 > 785-791
Discrete Mathematics > 2011 > 311 > 13 > 1197-1203
Discrete Mathematics > 2011 > 311 > 20 > 2143-2147