00881nam0-22003011i-450-99000111109040332190-277-1847-4000111109FED01000111109(Aleph)000111109FED0100011110920000920d1985----km-y0itay50------baengTransformation Groups Applied to Mathematical PhysicsNail H. IbragimovDordrecht (NL)Reidel1985Mathematics and its applicationsTeoria dei gruppiPrincipi di simmetria512Ibragimov,Nail Hajrullovic44975ITUNINARICAUNIMARCBK99000111109040332110A-24118649FI1FI1Transformation groups applied to mathematical physics192599UNINAING01