@article{NUMA_1977__28_132485,
     author = {G. Starius},
     title = {Composite {Mesh} {Difference} {Methods} for {Elliptic} {Boundary} {Value} {Problems.}},
     journal = {Numerische Mathematik},
     pages = {243--258},
     publisher = {mathdoc},
     volume = {28},
     year = {1977},
     zbl = {0363.65078},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1977__28_132485/}
}