Copson, Edward Thomas 1901- Asymptotic expansions / by E.T. Copson - Cambridge : University Press, 1965. - 120 p. : ill. ; 23 cm. - Cambridge tracts in mathematics and mathematical physics ; no. 55 . Includes bibliographical refrences. Subjects--Topical Terms: Asymptotic expansions.Integrals. Dewey Class. No.: 515.43 COP 516.362