1. J. M. A. Ziman, Philos. Mag., 6, 1013–1034 (1961).
2. V. V. Nemoshkalenko et al., Amorphous Metal Alloys [in Russian], Naukova Dumka, Kiev (1987).
3. V. T. Shvets, Green’s Function Method in the Theory of Metals [in Russian], Latstar, Odessa (2002).
4. B. Springer, Phys. Rev., 136, 115–124 (1964).
5. B. Springer, Phys. Rev., 154, 614–621 (1967).