@article{NUMA_1986__49_133125,
     author = {Zi-Chai Li},
     title = {A {Nonconforming} {Combined} {Method} for {Solving} {Laplace's} {Boundary} {Value} {Problems} with {Singularities.}},
     journal = {Numerische Mathematik},
     pages = {475--498},
     publisher = {mathdoc},
     volume = {49},
     year = {1986},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1986__49_133125/}
}