1. J. Frenkel and T. Kontorova, J. Phys. Acad. Sci. USSR, 1, 137–149 (1939).
2. E. L. Aero and A. N. Bulygin, Izv. Ross. Akad. Nauk. Ser. Mekh. Tverd. Tela, No. 5, 170–187 (2007).
3. E. L. Aero, J. Engrg. Math., 55, 81–95 (2006).
4. P. Gueret, IEEE Trans. Magnetics, 11, 751–754 (1975).
5. K. Lonngren and A. Scott, eds., Solitons in Action, Acad. Press, New York (1978).