Robust Stability in Interval Delayed Neural Networks of Neutral Type. - Jianlong Qiu; Qingjun Ren (ICIC (1), 2006)

A Common Generalization of Smooth Group and Vague Group. - Zhen Ming Ma; Wei Yang 036; Qingjun Ren (ICFIE, 2007)

On Vague Subring and Its Structure. - Qingjun Ren; Dexue Zhang; Zhen Ming Ma (ICFIE, 2007)