10.1016/0022-247X(84)90010-6
10.1016/0022-0396(78)90042-6
Watson G.N., 1966, A Treatice on the Theory of Bessel functions
Abramovitz M., 1970, Handbook of Mathematical functions
Graham K.D., 1973, Studies Appl. Math, 52, 329, 10.1002/sapm1973524329
Muldoon M. E., 1982, Arch. Math. (Brno), 18, 23
Lorch L., 1966, Studia Sci. Math. Huncrar, 1, 141
Ahmed S., 1978, Lett. Muovo Cimento, 21, 311, 10.1007/BF02762980
Courant R., 1953, Methods of Mathematical Physics
Ifantis E.K., 1985, Applicable Analysis, 19, 251, 10.1080/00036818508839550
10.1080/00036818508839574
Budak B.M., 1964, A Collection of problems on Mathematical Physics
Davies B., 1973, SIAM J. Math, .final, 4, 128, 10.1137/0504014
Eocher M., 1897, Bull. Amer. Math. Soc, 3, 205, 10.1090/S0002-9904-1897-00397-4
Rawlins , A.D. 1975.A New class of Ressel Function Ine-cmality useful for investigatina the Roots of a class of Transcendental Eauation involving Bessel functions, 231–238. Proc.Rov.Soc. Edinburgh.
