Dynamical systems : differential geometric approach to symmetry and reduction /

by Marmo, Guisseppe, Marmo, Guisseppe
Published 1985

Group theory and hopf algebras : lectures for physicists /

by Balachandran, A. P. 1938-, Balachandran, A. P. 1938-, Jo, S. G., Marmo, Guisseppe
Published 2010