Permanental polynomial

Cash, G.G. (2000a) Permanental polynomials of the smaller fullerenes. J. Chem. Inf. Comput. Sci., 40, 1207-1209. 

Cash, G.G. and Gutman, 1. (2004) The Laplacian permanental polynomial formulas and algorithms. MATCH Commun. Math. Comput. Chem., 51, 129-136. 

Kasum, D., Trinajstic, N. and Gutman, 1. (1981) Chemical graph theory. 111. On the permanental polynomial. Croat. Chem. Acta, 54, 321-328. 

The coefficients of the permanental polynomial can be computed with the modified Sachs theorem ... 

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