TY - JOUR AU - R.D. Lazarov AU - R.E. Ewing AU - ... TI - Local refinement techniques for elliptic problems on cell-centered grids. III. Algebraic multilevel BEPS preconditioners. JO - Numerische Mathematik PY - 1991 SP - 431 EP - 452 VL - 59 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1991__59_8_133559/ ID - NUMA_1991__59_8_133559 ER -