1. A. Barone and C. Paterno,Physics and Application of the Josephson Effect (Wiley, New York, 1982).
2. I. O. Kulik and J. Janson,The Josephson Effect in Superconducting Tunnel Structures (Nauka, Moscow, 1970, in Russian).
3. K. K. Likhariev,Introduction to Josephson Junction Dynamics (Nauka, Moscow, 1985, in Russian).
4. R. D. Parmentier,Soliton in Action, K. Lonngren and A. Scott, eds. (Academic Press, New York, 1978) p. 173.
5. N. F. Pedersen,Modern Problems in Condensed Matter Sciences, A. A. Maradudin and V. M. Agranovich, eds. (North-Holland, Amsterdam, 1985).