JavaView picture of the Bessel function
in two variables.
References
- Toshinori Oaku, Yoshinao Shiraki, Nobuki Takayama,
Algebraic Algorithms for D-modules and Numerical Analysis,
Z.M.Li, W.Sit (editors), Computer Mathematics, Proceedings of the sixth asian
symposium, 23--39, World scientific, 2003.
PDF (preliminary version)