@article {PS17,
	title = {On the generalized Cheeger problem and an application to 2d strips},
	journal = {Rev. Mat. Iberoam.},
	volume = {33},
	number = {1},
	year = {2017},
	pages = {219{\textendash}237},
	doi = {10.4171/RMI/934},
	author = {Pratelli, A. and Saracco, G.}
}
