BAKAN, A. G. On the completeness of algebraic polynomials in the spaces $L_p (ℝ, dμ)$. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 61, n. 3, p. 291–301, 2009. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3020. Acesso em: 5 dec. 2025.