@article{etna_vol48_pp156-182, author = {Alexander Heinlein and Axel Klawonn and Jascha Knepper and Oliver Rheinbach}, title = {Multiscale coarse spaces for overlapping Schwarz methods based on the ACMS space in 2D}, journal = {Electron. Trans. Numer. Anal.}, volume = {48}, year = {2018}, pages = {156--182}, doi = {10.1553/etna_vol48s156}, }