Tran VD. AN APPROXIMATION METHOD OF DESCRIBING FUNCTION FOR SOME HYSTERESIS NONLINEARITIES IN HYDRAULIC SERVOSYSTEMS Period. Polytech. Mech. Eng. [Internet]. 1986 Jan. 1 [cited 2024 May 18];30(2):229-54. Available from: https://pp.bme.hu/me/article/view/5728