Hobson, Ernest William, 1856-1933. The theory of spherical and ellipsoidal harmonics. - New York: Chelsea, 1955. - 500 p.: illus., 21 cm. Includes bibliographical footnotes. LCCN: 55000233 /L Subjects--Topical Terms: Spherical harmonicsLamé's functions. Dewey Class. No.: 515.53 / H684t