1. A. P. Malozemoff, Physical Properties of High Temperature Superconductors, Ed. by D. M. Ginsberg (World Scientific, Singapore, 1989; Mir, Moscow, 1990).
2. V. V. Schmidt, The Physics of Superconductors: Introduction to Fundamentals and Applications (MTsNMO, Moscow, 2000; Springer-Verlag, Berlin, 2005).
3. V. M. Pan, Low Temp. Phys. 32(8/9), 783 (2006).
4. A. S. Mel’nikov, Yu. N. Nozdrin, I. D. Tokman, and P. P. Vysheslavtsev, Phys. Rev. B: Condens. Matter 58, 11672 (1998).
5. M. W. Rupich, U. Schoop, D. T. Verebelyi, C. Thiem, and W. Zhang, IEEE Trans. Appl. Supercond. 13(2), 2458 (2003).