Information Processing LettersVolume 86, Issue 5, 15 June 2003, Page IFCBoard of EditorsAuthor links open overlay panelShow moreShareCitehttps://doi.org/10.1016/S0020-0190(03)00301-6Get rights and contentRecommended articlesReferences (0)Cited by (0)View full textCopyright © 2003 Published by Elsevier B.V. All rights reserved.