Information Processing Letters
Information Processing Letters > 2013 > 113 > 1-2 > 23-29
Information Processing Letters > 2013 > 113 > 19-21 > 747-749
Information Processing Letters > 2013 > 113 > 1-2 > 23-29
Information Processing Letters > 2013 > 113 > 19-21 > 747-749