Information Processing Letters
Information Processing Letters > 2004 > 89 > 3 > 131-135
Information Processing Letters > 2004 > 89 > 5 > 227-231
Information Processing Letters > 2004 > 91 > 1 > 39-41
Information Processing Letters > 2004 > 91 > 1 > 33-38
Information Processing Letters > 2004 > 91 > 1 > 29-32
Information Processing Letters > 2004 > 91 > 4 > 191-193
Information Processing Letters > 2004 > 92 > 4 > 199-205