@article {demange2013hardness,
	title = {Hardness and approximation of minimum maximal matchings},
	journal = {International Journal of Computer Mathematics},
	number = {ahead-of-print},
	year = {2013},
	pages = {1{\textendash}20},
	publisher = {Taylor \& Francis},
	author = {Demange, Marc and Ekim, Tinaz and Tanasescu, Cerasela}
}
