@article {,
	title = {P systems with active membranes, without polarizations and without dissolution: A characterization of P},
	journal = {Lecture Notes in Computer Science},
	volume = {3699},
	year = {2005},
	pages = {105-116},
	publisher = {Springer},
	address = {Amsterdam, The Netherlands},
	abstract = {We study the computational efficiency of recognizer P systems with active membranes without polarizations and without dissolution. The main result of the paper is the following: the polynomial computational complexity class associated with the class of recognizer P systems is equal to the standard complexity class P.},
	isbn = {978-3-540-29100-8},
	issn = {0302-9743},
	doi = {10.1007/11560319},
	url = {http://www.springerlink.com/content/d8133yrhbnhwgf40/?p=04e911661585426488476f9d64170e0f\&pi=10},
	author = {Miguel A. Guti{\'e}rrez-Naranjo and Mario J. P{\'e}rez-Jim{\'e}nez and Agust{\'\i}n Riscos-N{\'u}{\~n}ez and Francisco J. Romero-Campero}
}
