TY - BOOK AU - Kottwitz Robert E TI - Foundations of twisted endoscopy U1 - 512.55 PY - 1999/// CY - Paris PB - Societe Mathematique de France KW - Transfer factors KW - Twisted endoscopy N2 - This book develops the foundations of a general theory of twisted endoscopy: definition of endoscopic groups, study of the correspondance between twisted conjugacy classes and conjugacy classes in endoscopic groups, definition of transfer factors, and fi ER -