RUTKAUSKAS, Stasys. On the Dirichlet Problem to Elliptic Equation, the Order of which Degenerates at the Axis of a Cylinder. Mathematical Modelling and Analysis, [S. l.], v. 22, n. 5, p. 717–732, 2017. DOI: 10.3846/13926292.2017.1362053. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/923. Acesso em: 13 may. 2025.