@Article{gmd-6-2099-2013,
AUTHOR = {Rognes, M. E. and Ham, D. A. and Cotter, C. J. and McRae, A. T. T.},
TITLE = {Automating the solution of PDEs on the sphere and other manifolds in   FEniCS 1.2},
JOURNAL = {Geoscientific Model Development},
VOLUME = {6},
YEAR = {2013},
NUMBER = {6},
PAGES = {2099--2119},
URL = {https://gmd.copernicus.org/articles/6/2099/2013/},
DOI = {10.5194/gmd-6-2099-2013}
}