Michel Las Vergnas. On the evaluation at (3, 3) of the Tutte polynomial of a graph // Journal of Combinatorial Theory, Series B. — 1988. — Т. 35, вып. 3. — С. 367–372. — ISSN0095-8956. — doi:10.1016/0095-8956(88)90079-2.
Joanna A. Ellis-Monaghan. Identities for circuit partition polynomials, with applications to the Tutte polynomial // Advances in Applied Mathematics. — 2004. — Т. 32, вып. 1-2. — С. 188-197. — ISSN0196-8858. — doi:10.1016/S0196-8858(03)00079-4.
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Michel Las Vergnas. On the evaluation at (3, 3) of the Tutte polynomial of a graph // Journal of Combinatorial Theory, Series B. — 1988. — Т. 35, вып. 3. — С. 367–372. — ISSN0095-8956. — doi:10.1016/0095-8956(88)90079-2.
Joanna A. Ellis-Monaghan. Identities for circuit partition polynomials, with applications to the Tutte polynomial // Advances in Applied Mathematics. — 2004. — Т. 32, вып. 1-2. — С. 188-197. — ISSN0196-8858. — doi:10.1016/S0196-8858(03)00079-4.