1. Berezinskii, V.L. (1972) Destruction of Long-Range Order Sov. Phys. JETP
34, pp. 610–616
2. Kosterlitz, J.M. and Thouless, D. J. (1973) Metastability and Phase Transitions in Two-Dimensional Systems J. Phys. C
6, pp. 1181–1203
3. Davis, A.-C. and Brandenberger, R. (Eds.) (1995) Formation and Interactions of Topological Defects Plenum Press, New York
4. Gorkov, L.P. (1959) Microscopic Derivation of the Ginzburg-Landau Equations in the Theory of Superconductivity Sov. Phys. JETP
9 pp. 1364–1367
5. Bardeen, J., Cooper, L. N. and Schrieffer, J. R. (1957) Theory of Superconductivity Phys. Rev.
108 pp. 1175–1204