Discrete Applied Mathematics
Discrete Applied Mathematics > 2003 > 127 > 3 > 555-563
Discrete Applied Mathematics > 2004 > 134 > 1-3 > 67-76
Discrete Applied Mathematics > 2004 > 138 > 3 > 349-369
Discrete Applied Mathematics > 2012 > 160 > 13-14 > 2054-2059
Discrete Applied Mathematics > 2016 > 198 > Complete > 29-47