Information Processing Letters
Information Processing Letters > 1995 > 53 > 4 > 201-207
Information Processing Letters > 1996 > 59 > 6 > 309-315
Information Processing Letters > 1996 > 60 > 6 > 313-318
Information Processing Letters > 1998 > 65 > 5 > 235-240
Information Processing Letters > 2000 > 73 > 3-4 > 87-92
Information Processing Letters > 2002 > 84 > 6 > 333-338
Information Processing Letters > 2003 > 85 > 5 > 235-238
Information Processing Letters > 2003 > 87 > 4 > 173-177
Information Processing Letters > 2003 > 88 > 5 > 251-256
Information Processing Letters > 2004 > 90 > 3 > 129-134
Information Processing Letters > 2009 > 109 > 10 > 514-517
Information Processing Letters > 2011 > 111 > 7 > 310-313