@article{JRAM_1979__0311_0312_152167,
     author = {Anthony G. O'Farrell},
     title = {Estimates for capacities, and approximation in {Lipschitz} norms.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {101--115},
     publisher = {mathdoc},
     volume = {0311_0312},
     year = {1979},
     zbl = {0409.30031},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1979__0311_0312_152167/}
}