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 and various iterative methods.- Sur l'Approximation de Problems a Frontiere Libre dans les Materiaux Inhomogenes.- Sur les Problemes Variationnels Noncoercifs et l'Equation du Transport.- Application of a mixed finite element method to a nonlinear problem of elasticity.- Error estimates for some variational inequalities.- Certains Problems non Lineaires de la Physique des Plasmas.- L?-convergence of finite element approximations.- Dual-Mixed Hybrid finite element method for second-order elliptic problems.- A mixed finite element method for 2-nd order elliptic problems.- The influence of the choice of connectors in the finite element method.- Some error estimates in Galerkin methods for parabolic equations.- Some superconvergence results in the finite element method.