00377nam a2200133Ia 4500082001700000100001900017245004100036260003100077300002800108490006600136500003100202500000500233700000500238  a516bL426.CS  aLay, Staven R.  aConvex sets and their applicationsb  aNew YorkbJohn Wileyc1982  axvi, 244p. Index. Bibl.  aPure and Applied Mathematicsv a Wiley-interscience series of  atexts, monographs & tracts  a  a