SKRYPNYK, T. On a new class of the commutative subalgebras of the maximal Gel’fand-Kirillov dimension in the universal enveloping algebra of a simple Lie algebra. Methods of Functional Analysis and Topology, [S. l.], v. 5, n. 3, p. 77–89, 1999. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/100. Acesso em: 17 dec. 2025.