Duality in elliptic Ruijsenaars system and elliptic symmetric functions A. Mironov, A. Morozov and Y. Zenkevich Eur. Phys. J. C, 81 5 (2021) 461 Published online: 26 May 2021 DOI: 10.1140/epjc/s10052-021-09248-9