%0 Journal Article %A Bänsch, Eberhard %A Deckelnick, Klaus %T Optimal error estimates for the Stokes and Navier-Stokes equations with slip-boundary condition %J ESAIM: Modélisation mathématique et analyse numérique %D 1999 %P 923-938 %V 33 %N 5 %I EDP-Sciences %U http://archive.numdam.org/item/M2AN_1999__33_5_923_0/ %G en %F M2AN_1999__33_5_923_0