Information Processing Letters
Information Processing Letters > 2004 > 91 > 5 > 211-219
Information Processing Letters > 2004 > 91 > 6 > 251-257
Information Processing Letters > 2004 > 91 > 6 > 277-284
Information Processing Letters > 2004 > 91 > 6 > 259-262
Information Processing Letters > 2004 > 91 > 6 > 263-269
Information Processing Letters > 2004 > 91 > 6 > 285-292
Information Processing Letters > 2004 > 91 > 6 > 271-276
Information Processing Letters > 2004 > 91 > 6 > 293-298