DANCHEV, P. V.; KEEF, P. W. A note on essential finite indecomposability and thickness in primary abelian groups. Tamkang Journal of Mathematics, [S. l.], v. 44, n. 2, p. 163–170, 2013. DOI: 10.5556/j.tkjm.44.2013.1040. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/1040. Acesso em: 29 mar. 2024.