4[4]Baogen Xu Baogen Xu.Shangchao Zhou, Characterization of connected graphs with maximum domination number [J].数学研究与评论.4( 2000) 523 ~ 528.
5[5]Zhongfu Zhang, Baogen Xu, Yinzhen Li, Linzhong Liu, A note on the lower bounds of signed domination number of a graph[J].Discrete Math.195 (1999) 295 ~ 298.
6[6]J.H.Hallingh, E.Ungerer, The signed and minus k- sub domination numbers of comets[J].DiscreteMath.183(1998) 141 ~ 152.
7[7]E.J.Cockayne,C.M.Mynhardt, on a generaliza tion of signed dominating function of graphs, Ars.Combin.43(1996) 235~ 245.
8[8]I.Broere J.H.Hattingh, M.A.Henning,A.A.Mcrae,Majority domination in graphs, Discrete Math.138(1995) 125~ 135.
9[9]Baogen Xu, Ergen Liu, On the lower bounds of signed edge domination numbers of graphs, Discrete Math.Submitted.