@article {porto2017eigenvalue,
	title = {Eigenvalue interlacing in graphs},
	journal = {Proceeding Series of the Brazilian Society of Computational and Applied Mathematics},
	volume = {5},
	number = {1},
	year = {2017},
	note = {n/a},
	abstract = {n/a},
	author = {Porto, Guilherme and Allem, Luiz Emilio}
}
