Discrete Applied Mathematics
Discrete Applied Mathematics > 2001 > 110 > 1 > 3-12
Discrete Applied Mathematics > 2001 > 115 > 1-3 > 135-149
Discrete Applied Mathematics > 2001 > 110 > 1 > 3-12
Discrete Applied Mathematics > 2001 > 115 > 1-3 > 135-149