1. M. V. Berry, Proc. R. Soc. A 413, 183 (1987). https://doi.org/10.1098/rspa.1987.0109
2. O. Bohigas and M.-J. Giannoni, Lect. Notes Phys. 209, 1 (1984). https://doi.org/10.1007/3-540-13392-5_1
3. H.-J. Stöckmann, Quantum Chaos (Cambridge Univ. Press, Cambridge, 2000; Fizmatlit, Moscow, 2004).
4. L. E. Reichl, The Transition to Chaos: Conservative Classical Systems and Quantum Manifestations, 2nd ed. (Springer, New York, 2004; RKhD, Moscow, 2008).
5. A. I. Akhiezer and N. F. Shul’ga, Electrodynamics of High Energies in Matter (Nauka, Moscow, 1993) [in Russian].