00410nam a2200109Ia 4500008004100000082002000041100002200061245009600083260003600179300002600215440005900241260910b        |||||||| |||| 00| 0 eng d  a515.35bEa13.AS  aEastham, M. S. P.  aAsymptotic solution of linear differential systems; applications of the levinson theoremb/  aOxford:bClarendon Press,c1989  ax, 240p. Index, Bibl.  aLondon Mathematical Society monographs, new series ; 4