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上一条:Akbari, Saieed; Ghorbani, Ebrahim; Koolen, Jack H.; Oboudi, Mohammad Reza A relation between the Laplacian and signless Laplacian eigenvalues of a graph. J. Algebraic Combin. 32 (2010), no. 3, 459-464
下一条:Koolen, J. H.; Bang, S. On distance-regular graphs with smallest eigenvalue at least −m. J. Combin. Theory Ser. B 100 (2010), no. 6, 573-584