Тунік, А. А., О. О. Абрамович, and Н. А. Абрамович. “Robust Parametrical Optimization of the Digital Control Systems of the Stratospheric Airships”. Problems of Informatization and Control 2, no. 13 (June 6, 2005): 124–131. Accessed November 8, 2026. https://jrnl.kai.edu.ua/index.php/PIU/article/view/11600.