Lie theory and its applications in physics II proceedings of the II international workshop : Clausthal, Germany 17-20 August 1997 / [Book] :
organized by Arnold Sommerfeld Institute for Mathematical Physics, Technical University of Clausthal ; edited by H.-D. Doebner, V.K. Dobrev and J. Hilgert.
- Singapore ; River Edge, NJ : World Scientific, c1998.
- xi, 388 p. ; 23 cm.