Discrete Applied Mathematics
Discrete Applied Mathematics > 2007 > 155 > 16 > 2053-2060
Discrete Applied Mathematics > 2007 > 155 > 18 > 2444-2455
Discrete Applied Mathematics > 2007 > 155 > 16 > 2053-2060
Discrete Applied Mathematics > 2007 > 155 > 18 > 2444-2455