For citations:

Vedyushkina V.V., Kibkalo V.A. Billiard books of low complexity and realization of Liouville foliations of integrable systems. Chebyshevskii Sbornik. 2022;23(1):53-82. (In Russ.) https://doi.org/10.22405/2226-8383-2022-23-1-53-82