01049nlm0-22003251i-450-990001014480403321981-02-4643-9000101448FED01000101448(Aleph)000101448FED0100010144820020528d2001----km-y0itay50------baengSG----a---001yy<<On >>certain unitary representations of an infinite group of transformationsby Léon Van Hovetranslated by Marcus Berg and Cécile DeWitt-MoretteSingapore [etc.]World Scientificc2001ix, 91 p.22 cmTeoria dei gruppiPrincipi di simmetriaHove,Léon : van12749Berg,MarcusDeWitt-Morette,CécileITUNINARICAUNIMARCBK99000101448040332110A-158D.S.F. 7562FI1FI1Certain unitary representations of an infinite group of transformations355111UNINA