Discrete Mathematics
Discrete Mathematics > 2008 > 308 > 5-6 > 820-826
Discrete Mathematics > 2008 > 308 > 11 > 2330-2336
Discrete Mathematics > 2008 > 308 > 16 > 3441-3448
Discrete Mathematics > 2008 > 308 > 23 > 5597-5621
Discrete Mathematics > 2008 > 308 > 23 > 5795-5800