Li Zheng Xiaoli Lin Fei Qiao Tao Yang Existences of two solutions of one-dimensional computational verb cellular networks. 2102-2106 2010 ICNC http://dx.doi.org/10.1109/ICNC.2010.5582441 conf/icnc/2010 db/conf/icnc/icnc2010.html#ZhengLQY10