Опанасенко, В. М., А. А. Каспаревич, and К. І. Шевчук. “Algorithm for the Recognition of Fragments of the Sky”. Problems of Informatization and Control 1, no. 41 (March 25, 2013): 69–74. Accessed June 14, 2026. http://jrnl.kai.edu.ua/index.php/PIU/article/view/7213.