Information Processing Letters
Information Processing Letters > 1999 > 70 > 5 > 217-222
Information Processing Letters > 1999 > 70 > 5 > 223-228
Information Processing Letters > 1999 > 70 > 5 > 245-249
Information Processing Letters > 1999 > 70 > 5 > 229-232
Information Processing Letters > 1999 > 70 > 5 > 241-243
Information Processing Letters > 1999 > 70 > 5 > 211-216
Information Processing Letters > 1999 > 70 > 5 > 233-239
Information Processing Letters > 1999 > 70 > 5 > 251-254
Information Processing Letters > 1999 > 70 > 5 > 205-209