Pure and Applied MathematicsVolume 120, 1986, Page iiiEdited byAuthor links open overlay panelShow moreShareCitehttps://doi.org/10.1016/S0079-8169(08)61173-3Previous chapter in volumeNext chapter in volumeRecommended articlesCited by (0)View AbstractCopyright © 1986 Academic Press Inc. Published by Elsevier B.V. All rights reserved.