@inbook {Simula.simula.1076,
	title = {Tensor Representation of Finite Element Variational Forms},
	booktitle = {Automated Solution of Differential Equations by the Finite Element Method},
	series = {Lecture Notes in Computational Science and Engineering},
	volume = {84},
	year = {2012},
	pages = {157-167},
	publisher = {Springer},
	organization = {Springer},
	chapter = {8},
	isbn = {978-3-642-23098-1},
	author = {Robert C. {Kirby} and Logg, Anders},
	editor = {Logg, Anders and Mardal, Kent-Andre and Garth N. {Wells}}
}
