LIBRARY Conformal Groups and Related Symmetries Physical Results and Mathematical Background: Proceedings of a Symposium Held at the Arnold Sommerfeld Institute for Mathematical Physics (ASI) Technical University of Clausthal, Germany August 12–14, 1985 1986 · ENGLISH · PDF View details →
LIBRARY Electrodynamics and classical theory of fields & particles 2010 · ENGLISH · DJVU View details →