TY - JOUR AU - G. Wittum TI - Mulit-Grid Methods for Stokes and Navier-Stokes Equations. Transforming Smoothers: Algorithms and Numerical Results. JO - Numerische Mathematik PY - 1989 SP - 543 EP - 564 VL - 54 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1989__54_3_133332/ ID - NUMA_1989__54_3_133332 ER -