USMONOV, Javokhir. The dynamics of piecewise-continuous Volterra QSO on S2. «ACTA NUUz», [S. l.], v. 2, n. 2.2.1, p. 143–150, 2025. Disponível em: http://journals.nuu.uz/index.php/actanuuz/article/view/10410. Acesso em: 30 apr. 2026.