Pavlenko VN, Chizh EA. Existence Theorem for One Class of Strongly Resonance Boundary-Value Problems of Elliptic Type with Discontinuous Nonlinearities. Ukr. Mat. Zhurn. [Internet]. 2005Jan.25 [cited 2024Nov.22];57(1):102–110. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3577