Information Processing Letters
Information Processing Letters > 1996 > 59 > 1 > 19-20
Information Processing Letters > 1996 > 59 > 1 > 1-7
Information Processing Letters > 1996 > 59 > 2 > 59-63
Information Processing Letters > 1996 > 59 > 6 > 295-301
Information Processing Letters > 1996 > 59 > 6 > 331-333