Турчак, В. В., І. В. Шелевицький, and В. М. Шутко. “Unlimited Splines in Problems of Data Filtration and Compression”. Proceedings of National Aviation University (archive) 1, no. 1 (January 30, 1998): 275–279. Accessed April 13, 2026. http://jrnl.kai.edu.ua/index.php/visnik/article/view/10978.