@article{NUMA_1974__22_132256,
     author = {J. jr. Douglas and T. Dupont},
     title = {Galerkin {Approximations} for the {Two} {Point} {Boundary} {Problem} {Using} {Continuous,} {Piecewise} {Polynomial} {Spaces.}},
     journal = {Numerische Mathematik},
     pages = {99--110},
     publisher = {mathdoc},
     volume = {22},
     year = {1974},
     zbl = {0331.65051},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1974__22_132256/}
}