CONTENTS: L. Boutet de Monvel: Indice de systemes differentiels.- C. De
Concini, C. Procesi: Quantum groups.- P. Schapira, J.P. Schneiders:
Index theorems for R-constructible sheaves and for D-modules.- N.
Berline, M. Vergne: The equivariant Chern character and index of
G-invariant operators.