TY - JOUR AU - Douglas, Jim Jr. AU - Dupont, Todd AU - Wheeler, Mary Fanett TI - A Galerkin procedure for approximating the flux on the boundary for elliptic and parabolic boundary value problems JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 1974 SP - 47 EP - 59 VL - 8 IS - R2 PB - Dunod PP - Paris UR - http://geodesic.mathdoc.fr/item/M2AN_1974__8_2_47_0/ LA - en ID - M2AN_1974__8_2_47_0 ER -