@article {26758,
	title = {Laplacian Preconditioning of Elliptic PDEs: Localization of the Eigenvalues of the Discretized Operator},
	journal = {SIAM Journal on Numerical Analysis},
	volume = {57},
	year = {2019},
	month = {Feb-01-2019},
	pages = {1369 - 1394},
	publisher = {SIAM},
	address = {SIAM Journal of Numerical Analysis},
	issn = {0036-1429},
	doi = {10.1137/18M1212458},
	url = {https://epubs.siam.org/doi/10.1137/18M1212458https://epubs.siam.org/doi/pdf/10.1137/18M1212458},
	author = {Gergelits, Tom{\'a}{\v s} and Mardal, Kent-Andre and Bj{\o}rn Fredrik {Nielsen} and Strako{\v s}, Zden{\v e}k}
}
