1. Abramowitz, M., Stegun, I.A.: Handbook of Mathematical Functions. Dover, New York (1974)
2. Alexandrova, O., Carbone, V., Veltri, P., Sorriso-Valvo, L.: Astrophys. J. 674, 1153 (2008)
3. Burlaga, L.F., Vinas, A.F.: Geophys. Res. Lett. 31, 16 (2004) L16807
4. Chollet, E.E., Giacalone, J.: Astrophys. J. 728, 64 (2011)
5. Gradshteyn, I.S., Ryzhik, I.M.: Table of Integrals, Series, and Products. Academic Press, New York (2000)