@article {2108,
	title = {Cooperative P Systems and the P versus NP Problem},
	journal = {Bulletin of the International Membrane Computing Society},
	volume = {4},
	year = {2017},
	month = {12/2017},
	pages = {39-64},
	url = {http://membranecomputing.net/IMCSBulletin/pdf/BullDec2017.pdf},
	author = {Luis Valencia-Cabrera and Miguel A. Mart{\'\i}nez-del-Amor and David Orellana-Mart{\'\i}n and Ignacio P{\'e}rez-Hurtado and Mario J. P{\'e}rez-Jim{\'e}nez}
}
