Information Processing Letters
Information Processing Letters > 2003 > 86 > 6 > 329-333
Information Processing Letters > 2003 > 86 > 6 > 295-298
Information Processing Letters > 2003 > 86 > 6 > 311-316
Information Processing Letters > 2003 > 86 > 6 > 323-327
Information Processing Letters > 2003 > 86 > 6 > 289-293
Information Processing Letters > 2003 > 86 > 6 > 335-338
Information Processing Letters > 2003 > 86 > 6 > 299-302