Sadykov, S.S., and A.A. Zakharov. “Selection of Detail Levels at Continuous Surface Simplification of Polygonal Objects”. Numerical Methods and Programming (Vychislitel’nye Metody i Programmirovanie) 4, no. 4 (February 17, 2003): 82–93. Accessed April 19, 2024. https://en.num-meth.ru/index.php/journal/article/view/77.