00340nam a2200121Ia 4500082001900000100002300019245003900042260004800081300003000129490004900159500000500208700000500213  a530.1bOr63.GS  aO'Raifeartaigh, L.  aGroup stucture of gauge theoriesb  aCambridgebCambridge University Pressc1986  aix, 172p. Index, Glossary  aCambridge monographs on Mathematical Physics  a  a