@article{NUMA_1976__26_132407,
     author = {J.C. Cavendish and C.A. Hall and W.J. Gordon},
     title = {Ritz-Galerkin {Approximations} in {Blending} {Function} {Spaces.}},
     journal = {Numerische Mathematik},
     pages = {155--178},
     publisher = {mathdoc},
     volume = {26},
     year = {1976},
     zbl = {0335.65051},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1976__26_132407/}
}