@article {MR2525613,
	title = {Convergence analysis of the mimetic finite difference method for elliptic problems},
	journal = {SIAM J. Numer. Anal.},
	volume = {47},
	number = {4},
	year = {2009},
	pages = {2612{\textendash}2637},
	issn = {0036-1429},
	doi = {10.1137/080717560},
	url = {https://doi.org/10.1137/080717560},
	author = {Andrea Cangiani and Manzini, Gianmarco and Russo, Alessandro}
}
