EL-BORAI, M. M. M.; AWAD, H. K. A.; ALI, R. H. M. A. A Parabolic Transform and Averaging Methods for General Partial Differential Equations. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 17, p. 352–361, 2019. DOI: 10.24297/jam.v17i0.8481. Disponível em: https://rajpub.com/index.php/jam/article/view/8481. Acesso em: 19 apr. 2024.