RADUL, Taras. Idempotent measures: absolute retracts and soft maps. Topological Methods in Nonlinear Analysis, [S. l.], v. 56, n. 1, p. 161–172, 2020. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2020.007. Acesso em: 8 jul. 2025.