Pakuliak, Stanislav Max Planck Institute for Mathematics, Max Planck Society;
Sergeev, Sergei Max Planck Institute for Mathematics, Max Planck Society;
Pakuliak, S., & Sergeev, S. (2002). Quantum relativistic Toda chain at root of unity: isospectrality, modified Q-operator, and functional Bethe ansatz. International Journal of Mathematics and Mathematical Sciences, 31(9), 513-553.