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.