BILL, R. On the Production of Nonseparable Solutions of Linear Partial Differential Equations. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 11, n. 1, p. 3913–3922, 2015. DOI: 10.24297/jam.v11i1.1292. Disponível em: https://rajpub.com/index.php/jam/article/view/1292. Acesso em: 22 nov. 2024.