The Direct Solution of a Generalised Biharmonic Equation on a Disk.- On the Stabilization of Finite Element Approximations of the Stokes Equations.- A Multigrid Method for Cauchy-Riemann and Steady Euler Equations Based on Flux-Difference Splitting.- Multi-Grid Schemes for Incompressible Flows.- Defect Corrections and Higher Numerical Accuracy.- On a Multigrid Method to Solve the Integral Equations of 3-D Stokes' Flow.- Conforming FE-Method for Obtaining the Gradient of a Solution to the Poisson Equation.- A Multigrid Solver for the In-cylinder Turbulent Flows in Engines.- Three-Dimensional Mass- and Momentum-Consistent Helmholtz-Equation in Terrain-Following Coordinates.- Numerical Solution of Mixed Finite Element Problems.- Multigrid Solution of the Navier-Stokes Equations in the Vorticity-Streamfunction Formulation.