@article {1947, title = {Minimal cooperation in polarizationless P systems with active membranes}, journal = {Fourteenth Brainstorming Week on Membrane Computing (BWMC2016)}, year = {2016}, pages = {327-356}, publisher = {F{\'e}nix Editora}, url = {http://www.gcn.us.es/14bwmc_proceedings}, author = {Luis Valencia-Cabrera and David Orellana-Mart{\'\i}n and Agust{\'\i}n Riscos-N{\'u}{\~n}ez and Mario J. P{\'e}rez-Jim{\'e}nez} }