Journal of AlgorithmsVolume 5, Issue 2, June 1984, Pages 300-301Papers to appear in forthcoming issuesAuthor links open overlay panelShow moreShareCitehttps://doi.org/10.1016/0196-6774(84)90033-6Get rights and contentRecommended articlesReferences (0)Cited by (0)View full textCopyright © 1984 Published by Elsevier Inc. All rights reserved.