Mesh optimization for singular axisymmetric harmonic maps from the disc into the sphere.

François Alouges Morgan Pierre Mesh optimization for singular axisymmetric harmonic maps from the disc into the sphere. 391-414 2005 101 Numerische Mathematik 3 https://doi.org/10.1007/s00211-005-0629-y db/journals/nm/nm101.html#AlougesP05