TY - JOUR AU - Qun, Lin TI - Iterative refinement of finite element approximations for elliptic problems JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 1982 SP - 39 EP - 47 VL - 16 IS - 1 PB - Centrale des revues, Dunod-Gauthier-Villars PP - Montreuil UR - http://geodesic.mathdoc.fr/item/M2AN_1982__16_1_39_0/ LA - en ID - M2AN_1982__16_1_39_0 ER -