TUCHNOLOBOVA, E.; TERLETSKII, V.; VASILIEVA, O. Solution of a simplified advertising model using optimal control techniques. Ingeniería y Ciencia, [S. l.], v. 7, n. 13, p. 161–183, 2011. Disponível em: https://publicaciones.eafit.edu.co/index.php/ingciencia/article/view/406. Acesso em: 28 mar. 2024.