Mathematical problems of computational decisions in the finite element method.- Estimations d¿Erreur dans L? pour les Inequations a Obstacle.- Hybrid methods for fourth order elliptic equations.- Variational techniques for the analysis of a lubrication problem.- Interior L? estimates for finite element approximations of solutions of elliptic equations.- H1-galerkin methods for a nonlinear dirichlet problem.- Discretization of rotational equilibrium in the finite element method.- Integration techniques for solving algebraic systems.- On the application of the minimum degree algorithm to finite element systems.- Methodes d¿Elements Finis en Viscoelasticite Periodique.- On solving a mixed finite element approximation of the dirichlet problem for the biharmonic operator by a "quasi-direct" method