00427nam a2200121Ia 4500008004100000082001700041100001900058245009200077260003700169300002800206490003900234700003200273260312b        |||||||| |||| 00| 0 eng d  a516bM886.CP  aMorse, Marston  aCritical point theory in global analysis and differential topologyb; an introduction /  aNew York:bAcademic Press,c1969  axii, 389p. Index. Bibl.  aPure and Applied Mathematics, v.33  aCairns, Stewart S.eauthor.