FIL , B. N.; PRIKARPATSKY , A. K.; PRITULA , N. N. Quantum Lee algebra of currents is a universal algebraic structure of symmetries of quite integrable dynamic systems. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 40, n. 6, p. 764–768, 1988. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9287. Acesso em: 5 dec. 2025.