PavlenkoV. N. and ChizhE. A. (2005) “Existence Theorem for One Class of Strongly Resonance Boundary-Value Problems of Elliptic Type with Discontinuous Nonlinearities”, Ukrains’kyi Matematychnyi Zhurnal, 57(1), pp. 102–110. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3577 (Accessed: 22November2024).