SHKLYAROV, D.; SINEL`SHCHIKOV, S.; VAKSMAN, L. Geometric realizations for some series of representations of the quantum group $SU_{2, 2}$. Математическая физика, анализ, геометрия, Харків, Україна, v. 8, n. 1, p. 90–110, 2001. Disponível em: http://mag.ilt.kharkiv.ua/index.php/mag/article/view/m08-0090e. Acesso em: 13 чер. 2024.