Melnyk , Oleksandr, Maksym Kravets, and Valerii Kravets. “Single-Electronic Multi-Level Adders”. Electronics and Control Systems 3, no. 77 (September 27, 2023): 34–39. Accessed February 20, 2026. https://jrnl.nau.edu.ua/index.php/ESU/article/view/17962.