KUCZMA, Mieczysław. In Memoriam – Professor Erwin Stein. Computer Assisted Methods in Engineering and Science, [S. l.], v. 26, n. 1, p. 61–62, 2019. DOI: 10.24423/cames.26.1.6. Disponível em: https://cames3.ippt.pan.pl/index.php/cames/article/view/265. Acesso em: 12 jan. 2025.