Hošková, Š., J. Chvalina, and P. Račková. “HYPERGROUPS OF INTEGRAL OPERATORS IN CONNECTIONS WITH TRANSFORMATION STRUCTURES”. Advances in Military Technology 1, no. 2 (March 4, 2022): 105–117. Accessed April 30, 2025. https://www.aimt.cz/index.php/aimt/article/view/1711.