Information Processing Letters
Information Processing Letters > 2002 > 82 > 3 > 143-144
Information Processing Letters > 2002 > 82 > 3 > 131-135
Information Processing Letters > 2002 > 82 > 3 > 159-164
Information Processing Letters > 2002 > 82 > 3 > 119-122
Information Processing Letters > 2002 > 82 > 3 > 165-171
Information Processing Letters > 2002 > 82 > 3 > 137-142
Information Processing Letters > 2002 > 82 > 3 > 123-129