Белецкий, А. Я., and В. В. Клобуков. “Particular Algorithm of Ordering Uolsha Basis Functions”. Proceedings of National Aviation University 2, no. 1 (May 12, 1999): 173–178. Accessed December 6, 2025. https://jrnl.nau.edu.ua/index.php/visnik/article/view/8985.