@article {layton2006quadratic, title = {Quadratic spline methods for the shallow water equations on the sphere: Galerkin}, journal = {Mathematics and Computers in Simulation}, volume = {71}, number = {3}, year = {2006}, pages = {175{\textendash}186}, publisher = {Elsevier}, author = {Layton, Anita T and Christara, Christina C and Jackson, Kenneth R} }