@book {MR3729265,
	title = {$hp$-version discontinuous Galerkin methods on polygonal and polyhedral meshes},
	series = {SpringerBriefs in Mathematics},
	year = {2017},
	pages = {viii+131},
	publisher = {Springer, Cham},
	organization = {Springer, Cham},
	isbn = {978-3-319-67671-5; 978-3-319-67673-9},
	author = {Andrea Cangiani and Dong, Zhaonan and E.H. Georgoulis and Houston, Paul}
}
