@article{NUMA_1985__47_133055,
     author = {Eduardo Casas},
     title = {L2 {Estimates} for the {Finite} {Element} {Method} for the {Dirichlet} {Problem} with {Singular} {Data.}},
     journal = {Numerische Mathematik},
     pages = {627--632},
     publisher = {mathdoc},
     volume = {47},
     year = {1985},
     zbl = {0561.65071},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1985__47_133055/}
}