On a cohomological characterization of free profinite products of three profinite groups with amalgamated subgroups. Extracta Mathematicae, [S. l.], p. 111–132, 2026. DOI: 10.17398/2605-5686.41.1.111. Disponível em: https://revista-em.unex.es/index.php/EM/article/view/2407. Acesso em: 7 jul. 2026.