@article {BertolaBalogh,
	title = {Regularity of a vector potential problem and its spectral curve},
	journal = {J. Approx. Theory},
	volume = {161},
	number = {1},
	year = {2009},
	pages = {353{\textendash}370},
	issn = {0021-9045},
	doi = {10.1016/j.jat.2008.10.010},
	url = {http://0-dx.doi.org.mercury.concordia.ca/10.1016/j.jat.2008.10.010},
	author = {Ferenc Balogh and Marco Bertola}
}
