BogdanskiiYu. V., and SanzharevskiiYa. Yu. “The Dirichlet Problem With Laplacian With Respect to a Measure in the Hilbert Space”. Ukrains’kyi Matematychnyi Zhurnal 66, no. 6 (June 25, 2014): 733–739. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2174.