Robust tracking control for quadrotor with unknown nonlinear dynamics using adaptive neural network based fractional-order backstepping controlLemya Guettal، Abdelghani Chelihi، Riadh Ajgou، Mostefa Mohamed ToubaJournal of the Franklin Instituteالمجلّد 359، (14)، الصفحات 7337-73642022مقال وصول مغلق 33