H-Amalgamation Property in the Class of Torsion Free Abelian Groups. Contemporary Mathematics , [S. l.], v. 6, n. 3, p. 3801–3808, 2025. DOI: 10.37256/cm.6320256041. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/6041. Acesso em: 24 dec. 2025.