Borzooei, Rajab Ali, Gholam Reza Rezaei, Mona Aaly Kologhani, and Young Bae Jun. “Falling Shadow Theory With Applications in Hoops”. Bulletin of the Section of Logic 50, no. 3 (January 20, 2021): 337–353. Accessed April 19, 2024. https://czasopisma.uni.lodz.pl/bulletin/article/view/6106.