1. H. A. Bethe and A. Sommerfeld, Electron Theory of Metals [Russian translation], Gos. Izd. Tekhn. Teor. Lit. (1938);
2. W. Kohn and J. Luttinger, Phys. Rev.,108, 590 (1957);
3. J. Luttinger and W. Kohn, Phys. Rev.,109, 1892 (1958);
4. V. V. Krasil'nikov, S. N. Roshchupkin, and V. S. Shchelokov, Ukr. Fiz. Zh.,16, 1690 (1971).
5. Yu. N. Barabanenkov, Teor. Mat. Fiz.,29, 244 (1976).