Subgroups of the general linear group normalized by relative elementary groups.- Equivariant algebraic K-theory.- Sur le groupe K3 d’un anneau.- Projective surgery obstructions on closed manifolds.- A note on the homotopy groups of the diffeomorphism groups of spherical space forms.- On the algebraic K-theory of a?-ring spaces.- Steenrod’s problem and k-invariants of certain classifying spaces.- Galois cohomology of complete discrete valuation fields.- Even dimensional projective surgery groups of finite groups.- Exact sequences for locally free class groups.- Unités représentées par des formes quadratiques ou par des normes réduites.- A "gersten conjecture" for witt groups.- On the cohomology of SLn over rings of algebraic functions.- A logarithmic description of determinants in group rings.- Character action on the class group of fröhlich.- Localisation non commutative de formes quadratiques.- Operations in the algebraic K-theory of spaces.