OSPINO PORTILLO JORGE ELIECER. An a Priori Estimate for a Scalar Transmission Problem of the Laplacian in R3. Global Journal of Science Frontier Research, [S. l.], v. 16, n. F4, p. 87–97, 2016. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/1794. Acesso em: 6 may. 2024.