Yaskov, Georgiy, and Sergiy Shekhovtsov. “METHODOLOGICAL BASIS OF SOLVING SPHERE PACKING PROBLEM: TRANSFORMATION OF KNAPSACK PROBLEM TO OPEN DIMENSION PROBLEM”. Advanced Information Systems 3, no. 1 (May 10, 2019): 54–57. Accessed May 3, 2024. http://ais.khpi.edu.ua/article/view/2522-9052.2019.1.09.