Felix, Rainer: A general approach to the Radon transform. In: Program systems : theory and applications ; (Proceedings of an International Conference in Pereslavl-Zalessky, Russia). -
Pereslavl-Zalessky, 2006. - S. 301-336
ISBN 5-94052-128-2
Felix, Rainer: Über G-invariante Lösungen G-invarianter Differentialgleichungen. In: Blatt, Hans P. ; Felix, Rainer ; Lelevkina, Liliya G. (Hrsg.): Analytical and Approximate Methods : International Conference at the Kyrgyz-Russian-Slavic University Bishkek, Kyrgyzstan, September 23-24, 2002. -
Aachen : Shaker, 2003. - S. 63-93. - (Mathematics)
ISBN 3-8322-2147-6