@article{NUMA_1972__20_132169,
     author = {Ivo Babuska},
     title = {A {Finite} {Eement} {Scheme} for {Domains} with {Corners.}},
     journal = {Numerische Mathematik},
     pages = {1--21},
     publisher = {mathdoc},
     volume = {20},
     year = {1972},
     zbl = {0252.65084},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1972__20_132169/}
}