Watson, G. N. 1886- A treatise on the theory of Bessel functions/ by G.N. Watson. - 2d ed. - Cambridge, UK: Cambridge University Press, 1944 (1980 printing). - vi, [2], 804 p. incl. tables, diagrs.: 26 cm. "First published 1922." Includes bibliographical references and index. Subjects--Topical Terms: Bessel functions. Dewey Class. No.: 512.89 / W338t