Azarov, Olexiy, Olexandr Reshetnyk, Volodymyr Garnaga, і Sergiy Bogomolov. 2011. «THE ANALYSIS OF TRANSMITTING FEATURE OF PUSH-PULL SYMMETRIC DIRECT CURRENT AMPLIFIER». Scientific Works of Vinnytsia National Technical University, вип. 1 (Грудень). https://works.vntu.edu.ua/index.php/works/article/view/7.