Citation: Liu, Jian, A note on causality and invertibility of a general bilinear time series model, Advances in applied probability , 22(1), 1990, pp. 247-250
Citation: Liu, Jian et Si, Jian Guo, Analytic solutions of an iterative differential equation under Brjuno condition, Acta mathematica Sinica. English series (Print) , 25(9), 2009, pp. 1469-1482