Feng Wei Yang, Chandrasekhar Venkataraman, Vanessa Styles and Anotida Madzvamuse. (2018). A Robust and Efficient Adaptive Multigrid Solver for the Optimal Control of Phase Field Formulations of Geometric Evolution Laws. Communications in Computational Physics. 21 (1). 65-92. doi:10.4208/cicp.240715.080716a