Information Processing Letters
Information Processing Letters > 1995 > 54 > 1 > 35-39
Information Processing Letters > 1995 > 54 > 5 > 249-251
Information Processing Letters > 1995 > 55 > 2 > 71-74
Information Processing Letters > 1995 > 56 > 2 > 83-87
Information Processing Letters > 1995 > 56 > 6 > 299-306
Information Processing Letters > 1996 > 57 > 1 > 41-45
Information Processing Letters > 1997 > 63 > 5 > 277-282
Information Processing Letters > 1997 > 64 > 3 > 143-147
Information Processing Letters > 1998 > 65 > 1 > 11-16