LITOVCHENKO, V. A. Analogs of S-type spaces of partially even functions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 65, n. 4, p. 512–521, 2013. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2435. Acesso em: 5 dec. 2025.