@article{NUMA_1973__21_132233,
     author = {Todd Dupont and Jim Jr. Douglas},
     title = {Superconvergence for {Galerkin} {Methods} for the {Two} {Point} {Boundary} {Problem} {Via} {Local} {Projections.}},
     journal = {Numerische Mathematik},
     pages = {270--278},
     publisher = {mathdoc},
     volume = {21},
     year = {1973},
     zbl = {0281.65046},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1973__21_132233/}
}