RYABOV, G.; SEROV, V. Composition of infinitary structures. Numerical Methods and Programming (Vychislitel’nye Metody i Programmirovanie), [S. l.], v. 16, n. 46, p. 557–565, 2015. DOI: 10.26089/NumMet.v16r452. Disponível em: https://en.num-meth.ru/index.php/journal/article/view/858. Acesso em: 30 apr. 2024.