Information Processing Letters
Information Processing Letters > 2007 > 101 > 3 > 93-97
Information Processing Letters > 2007 > 102 > 1 > 1-7
Information Processing Letters > 2007 > 102 > 6 > 242-246
Information Processing Letters > 2007 > 103 > 6 > 222-226
Information Processing Letters > 2007 > 104 > 2 > 41-44
Information Processing Letters > 2007 > 104 > 6 > 211-215
Information Processing Letters > 2007 > 105 > 1 > 20-25