Discrete Mathematics
Discrete Mathematics > 2011 > 311 > 15 > 1423-1447
Discrete Mathematics > 2011 > 311 > 15 > 1390-1396
Discrete Mathematics > 2011 > 311 > 15 > 1472-1496
Discrete Mathematics > 2011 > 311 > 15 > 1423-1447
Discrete Mathematics > 2011 > 311 > 15 > 1390-1396
Discrete Mathematics > 2011 > 311 > 15 > 1472-1496