Discrete Applied Mathematics
Discrete Applied Mathematics > 1997 > 79 > 1-3 > 45-61
Discrete Applied Mathematics > 1997 > 79 > 1-3 > 171-188
Discrete Applied Mathematics > 1997 > 79 > 1-3 > 45-61
Discrete Applied Mathematics > 1997 > 79 > 1-3 > 171-188