@article {MR4056776,
	title = {\it A posteriori error analysis for implicit-explicit $hp$-discontinuous Galerkin timestepping methods for semilinear parabolic problems},
	journal = {J. Sci. Comput.},
	volume = {82},
	number = {2},
	year = {2020},
	pages = {Paper No. 26, 24},
	issn = {0885-7474},
	doi = {10.1007/s10915-020-01130-2},
	url = {https://doi.org/10.1007/s10915-020-01130-2},
	author = {Andrea Cangiani and E.H. Georgoulis and Sabawi, Mohammad}
}
