Information Processing Letters
Information Processing Letters > 1997 > 64 > 2 > 83-86
Information Processing Letters > 2001 > 80 > 4 > 213-219
Information Processing Letters > 2002 > 84 > 3 > 131-139
Information Processing Letters > 2002 > 84 > 4 > 175-180
Information Processing Letters > 2006 > 100 > 3 > 110-115
Information Processing Letters > 2007 > 101 > 1 > 36-40
Information Processing Letters > 2007 > 101 > 4 > 168-173
Information Processing Letters > 2009 > 109 > 8 > 414-417
Information Processing Letters > 2009 > 109 > 21-22 > 1193-1196
Information Processing Letters > 2010 > 110 > 8-9 > 321-324
Information Processing Letters > 2010 > 110 > 20 > 849-853
Information Processing Letters > 2013 > 113 > 19-21 > 836-843
Information Processing Letters > 2015 > 115 > 6-8 > 556-561