BogdanskiiY. V., & PotapenkoA. Y. (2016). Laplacian with respect to measure on a Riemannian manifold and Dirichlet problem. I. Ukrains’kyi Matematychnyi Zhurnal, 68(7), 897-907. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/1889