Information Processing Letters
Information Processing Letters > 2000 > 74 > 1-2 > 73-79
Information Processing Letters > 2000 > 76 > 4-6 > 155-162
Information Processing Letters > 2007 > 104 > 4 > 123-128
Information Processing Letters > 2009 > 109 > 10 > 504-508
Information Processing Letters > 2010 > 110 > 11 > 431-438
Information Processing Letters > 2011 > 111 > 5 > 201-207