@ARTICLE{ps2017, author = {D. Peterseim and M. Schedensack}, title = {Relaxing the {CFL} condition for the wave equation on adaptive meshes}, journal = {J. Sci. Comput.}, volume = {72}, number = {3}, pages = {1196--1213}, year = {2017}, doi = {10.1007/s10915-017-0394-y}, }