A treatise on Bessel functions and their applications to physics / by Andrew Gray ... and G.B. Mathews ... Gray, Andrew, 1847-1925. Mathews, G. B. (George Ballard), 1861-1922, joint author. MacRobert, Thomas Murray, 1884-1962, ed. Bessel functions. Mathematical physics. QA408 .G8 1922 517.353 GRT Bibliography : p. 318-322. London : Macmillan, 1922. 1922. 1922 Text xiv, 327 p. : eng