SKOROBOGATKO, V. Y.; BOBIK, E. I. Concerning the article «Expansion of linear and nonlinear operators into real factors. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 18, n. 4, p. 138, 1966. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8326. Acesso em: 6 dec. 2025.