Wang L G, Li X L, Hoede C. Integral complete r-partite graphs\[J\]. Discrete Math,2004,283(1/3):231-241.
[4]
Wang L G, Liu X D. Integral complete multipartite graphs\[J\]. Discrete Math,2008,308(12):3860-3870.
[5]
Wang L G, Wang Q. Integral complete multipartite graphs Kα1p1,α2p2,…,αsps with s=5,6\[J\]. Discrete Math,2010,310(4):812-818.
[6]
王品超. 高等代数新方法(下册)\[M\]. 徐州:中国矿业大学出版社,2003:36.
[7]
张禾瑞,郝鈵新. 高等代数\[M\]. 4版. 北京:高等教育出版社,1999:89.
[8]
Cvetkovic＇ D, Rowlinson P, Simic＇ S K. Signless Laplacians of finite graphs\[J\]. Linear Algebra and Its Applications,2007,432:155-171.
[9]
Cayley A. On the mathematical theory of isomers\[J\]. Philosophical Magazine,1874,67(5):444-446.
[10]
Harary F, Schwenk A J. Which graphs have integral spectra?\[C\]//Graphs and Combinatorics. Lecture Notes in Mathematics. Berlin:Springer-Verlag,1974,406:46-51.
[11]
李学良,林国宁. 关于整树问题\[J\]. 科学通报,1987,32(11):813-816.
[12]
Cvetkovic＇ D, Rowlinson P, Simic＇ S K. Eigenvalue bounds for the signless Laplacians\[J\]. Publ Inst Math,2007,95(81):11-27.
[13]
Simic＇ S K, Stanic＇ Z. Q-integral graphs with edge-degrees at most five\[J\]. Discrete Math,2008,308(20):4625-4634.
