Robuta

https://www.shuge.org/view/san_jing_ping_zhu/san_jing_ping_zhu21/ san_jing_ping_zhu21 – 书格 jing ping san https://cis.uniyar.ac.ru/index.php/paper/238 S. Carpentier, A.V. Mikhailov, and Jing Ping Wang. PreHamiltonian and Hamiltonian operators for... a v jing ping hamiltonian operators carpentier mikhailov