Cassi, D. (1992). "Phase transitions and random walks on graphs: A generalization of the Mermin-Wagner theorem to disordered lattices, fractals, and other discrete structures". Physical Review Letters. 68 (24): 3631–3634. Bibcode:1992PhRvL..68.3631C. doi:10.1103/PhysRevLett.68.3631. PMID10045753.
Cassi, D. (1992). "Phase transitions and random walks on graphs: A generalization of the Mermin-Wagner theorem to disordered lattices, fractals, and other discrete structures". Physical Review Letters. 68 (24): 3631–3634. Bibcode:1992PhRvL..68.3631C. doi:10.1103/PhysRevLett.68.3631. PMID10045753.
Cassi, D. (1992). "Phase transitions and random walks on graphs: A generalization of the Mermin-Wagner theorem to disordered lattices, fractals, and other discrete structures". Physical Review Letters. 68 (24): 3631–3634. Bibcode:1992PhRvL..68.3631C. doi:10.1103/PhysRevLett.68.3631. PMID10045753.