KIRLITSA, Valery P. D-optimal designs of experiments for trigonometric regression on interval with heteroscedastic observations. Journal of the Belarusian State University. Mathematics and Informatics, [S. l.], n. 3, p. 80–85, 2020. DOI: 10.33581/2520-6508-2020-3-80-85. Disponível em: https://journals.bsu.by/index.php/mathematics/article/view/2874. Acesso em: 18 jul. 2026.