@article {20.500.11767_81737,
	title = {NURBS-SEM: A hybrid spectral element method on NURBS maps for the solution of elliptic PDEs on surfaces},
	journal = {COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING},
	volume = {338},
	year = {2018},
	pages = {440{\textendash}462},
	doi = {10.1016/j.cma.2018.04.039},
	url = {https://arxiv.org/abs/1804.08271},
	author = {Giuseppe Pitton and Luca Heltai}
}
