Jeffreys, Harold, Sir, 1891- Asymptotic approximations/ Harold Jeffreys. - Oxford: Clarendon Press, 1962. - 144 p.: illus., 23 cm. Includes bibliography. LCCN: 62006090 /L/r84 Subjects--Topical Terms: Asymptotes.Functions.Approximation theory. Dewey Class. No.: 511.4 / J46a