Heping Liu, Yu Liu, Refinable functions on the Heisenberg group, Commun. Prue Appl. Anal. 3(2007), 775-787.(SCI)

Pre One:Yu Liu, Mei Yu, Lipschitz continuity of refinable functions on the Heisenberg group, J. Math. Anal. Appl. 338(2008), 1081-1091.(SCI)