ШУТКО, В. М. Spline-approximation of estimates of correlation sequences of harmonic signals. Proceedings of National Aviation University (archive), [S. l.], v. 12, n. 1, p. 73–77, 2002. DOI: 10.18372/2306-1472.12.13570. Disponível em: http://jrnl.kai.edu.ua/index.php/visnik/article/view/13570. Acesso em: 13 apr. 2026.