Yu. Babich M, M. Butaev M, Pashchenko DV, Martyshkin AI, Trokoz DA. Simulation of quadcopter flight altitude stabilization system. Nexo Scientific Journal [Internet]. 2020 Dec. 31 [cited 2024 Dec. 22];33(02):638-50. Available from: https://camjol.info/index.php/NEXO/article/view/10799