Discrete Mathematics
Discrete Mathematics > 1998 > 191 > 1-3 > 179-189
Discrete Mathematics > 2006 > 306 > 21 > 2755-2761
Discrete Mathematics > 2008 > 308 > 9 > 1612-1619
Discrete Mathematics > 1998 > 191 > 1-3 > 179-189
Discrete Mathematics > 2006 > 306 > 21 > 2755-2761
Discrete Mathematics > 2008 > 308 > 9 > 1612-1619