@article {mckinnon2016analogue,
	title = {An analogue of Liouville\’s theorem and an application to cubic surfaces},
	journal = {European Journal of Mathematics},
	volume = {2},
	number = {4},
	year = {2016},
	pages = {929{\textendash}959},
	publisher = {Springer International Publishing Cham},
	author = {McKinnon, David and Roth, Mike}
}