@article {Lapa-Levin2020,
	title = {Rigorous Results on Topological Superconductivity with Particle Number Conservation},
	journal = {Phys. Rev. Lett.},
	volume = {124},
	year = {2020},
	month = {Jun},
	pages = {257002},
	publisher = {American Physical Society},
	author = {Lapa, Matthew F. and Michael Levin}
}
