1.
ShokoohS, Afrouzi GA, Hadjian A. On the existence of solutions of one-dimensional fourth-order equations. Ukr. Mat. Zhurn. [Internet]. 2020Nov.20 [cited 2024Nov.23];72(11):1575-88. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/569