@article{Jodlbauer2020, author = {Jodlbauer, D. and Langer, U. and Wick, T.}, year = {2020}, pages = {ARTN 113431}, title = {Matrix-free multigrid solvers for phase-field fracture problems}, volume = {372}, journal = {Comput. Meth. Appl. Mech. Eng.} }