01080nam0-22003131i-450-99000108788040332190-277-0412-0000108788FED01000108788(Aleph)000108788FED0100010878820000920d1974----km-y0itay50------baengGroup Theory in Non-Linear ProblemsLectures Presented at the NATO Advanced Study Institute on Mathematical Physics, held in Istanbul, Turkey, August 7-18, 1972edited by A.O. BarutDordrecht (NL)Reidel1974NATO ASI seriesSeries CMathematical and physical sciences7Published in cooperation with NATO Scientific Affairs Division.Teoria dei gruppiPrincipi di simmetria512Barut,Asim Orhan44679ITUNINARICAUNIMARCBK99000108788040332110A-166.00115997FI1FI1Group Theory in Non-Linear Problems335504UNINAING01