@article{M2AN_1974__8_2_47_0, author = {Douglas, Jim Jr. and Dupont, Todd and Wheeler, Mary Fanett}, title = {A {Galerkin} procedure for approximating the flux on the boundary for elliptic and parabolic boundary value problems}, journal = {ESAIM: Mathematical Modelling and Numerical Analysis }, pages = {47--59}, publisher = {Dunod}, address = {Paris}, volume = {8}, number = {R2}, year = {1974}, mrnumber = {359357}, zbl = {0315.65063}, language = {en}, url = {http://geodesic.mathdoc.fr/item/M2AN_1974__8_2_47_0/} }