@article {PS20,
	title = {The $\varepsilon-\varepsilon^β$ property in the isoperimetric problem with double density, and the regularity of isoperimetric sets},
	journal = {Adv. Nonlinear Stud.},
	volume = {20},
	number = {3},
	year = {2020},
	pages = {539{\textendash}555},
	doi = {10.1515/ans-2020-2074},
	author = {Pratelli, A. and Saracco, G.}
}
@article {PS18,
	title = {On the isoperimetric problem with double density},
	journal = {Nonlinear Anal.},
	volume = {177},
	number = {Part B},
	year = {2018},
	pages = {733{\textendash}752},
	doi = {10.1016/j.na.2018.04.009},
	author = {Pratelli, A. and Saracco, G.}
}
@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.}
}
