Discrete Mathematics
Discrete Mathematics > 2002 > 247 > 1-3 > 201-213
Discrete Mathematics > 2008 > 308 > 5-6 > 920-930
Discrete Mathematics > 2010 > 310 > 13-14 > 2037-2053
Discrete Mathematics > 2002 > 247 > 1-3 > 201-213
Discrete Mathematics > 2008 > 308 > 5-6 > 920-930
Discrete Mathematics > 2010 > 310 > 13-14 > 2037-2053