%0 Journal Article %A Douglas, Jim Jr. %A Dupont, Todd %A Wheeler, Mary Fanett %T A Galerkin procedure for approximating the flux on the boundary for elliptic and parabolic boundary value problems %J ESAIM: Mathematical Modelling and Numerical Analysis %D 1974 %P 47-59 %V 8 %N R2 %I Dunod %C Paris %U http://geodesic.mathdoc.fr/item/M2AN_1974__8_2_47_0/ %G en %F M2AN_1974__8_2_47_0