00367nam a2200109Ia 4500008004100000082002000041100001800061245002900079260006100108300002300169490006500192260910b        |||||||| |||| 00| 0 eng d  a515.73bC785.AE  aCopson, E. T.  aAsymptotic expansionsb/  aCambridge:bCambridge University Press,c1965 (Rep.1976)  a120p. Index. Bibl.  aCambridge tracts in Mathematics and Mathematical Physics, 55