Discrete Mathematics
Discrete Mathematics > 2004 > 278 > 1-3 > 209-218
Discrete Mathematics > 2006 > 306 > 22 > 2893-2900
Discrete Mathematics > 2008 > 308 > 10 > 1830-1836
Discrete Mathematics > 2004 > 278 > 1-3 > 209-218
Discrete Mathematics > 2006 > 306 > 22 > 2893-2900
Discrete Mathematics > 2008 > 308 > 10 > 1830-1836