GABRIYELYAN, S. S. Characterization of condensations of σ-compact locally compact groups and applications to invariant measures. Математическая физика, анализ, геометрия, Харків, Україна, v. 10, n. 2, p. 243–248, 2003. Disponível em: https://mag.ilt.kharkiv.ua/index.php/mag/article/view/m10-0243e. Acesso em: 4 груд. 2024.