Bogdanskii, Y.V. (2018) “Divergence theorem in the $L_2$ -version. Application to the Dirichlet problem”, Ukrains’kyi Matematychnyi Zhurnal, 70(5), pp. 611–624. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1581 (Accessed: 10 April 2025).