1. A. V. Luikov, Theory of Heat Conduction [in Russian], GITTL, 1952.
2. G. N. Watson, Theory of Bessel Functions, pt. 1[Russian translation], IL, 1949.
3. S. M. Kotlyar, ?A note on heat conduction in a solid cylinder, ? Prikladnaya mekhanika, vol. 10, no. 5, 1964.