Thuý Đặng, Tinh C, Hiếu L, Vân L. New sufficient criteria for epsilon-contraction of a class of nonlinear diference system with continuous time. Science & Technology Development Journal: Natural Sciences [Internet]. 13Feb.2020 [cited 22Dec.2024];3(3):213-24. Available from: https://stdjns.scienceandtechnology.com.vn/index.php/stdjns/article/view/649