The Second Immanantal Polynomial and the Centroid of a Graph

10.1080/03081088508817681

10.1017/CBO9780511608704

10.1016/0012-365X(84)90127-4

Dragoš M. Cvetković, Michael Doob, Horst Sachs, Spectra of graphs, Pure and Applied Mathematics, Vol. 87, Academic Press Inc. [Harcourt Brace Jovanovich Publishers], New York, 1980, 368–81i:050540458.05042

10.1016/0024-3795(85)90281-2

10.1080/03081088508817670

Harary Frank, 1969, Graph theory, 10.21236/AD0705364

10.1090/S0002-9947-1965-0184871-6

10.1016/0095-8956(80)90058-1

Littlewood D. E., 1958, The Theory of Group Characters

10.1016/0024-3795(75)90007-5

10.1080/03081087708817180

Merris Russell, 1982, Czechoslovak Math. J., 32, 397, 10.21136/CMJ.1982.101816

10.1016/0024-3795(81)90026-4

10.1016/0024-3795(85)90279-4

10.1137/0116041

10.1016/0304-3975(79)90044-6