KOKSAL, M. E. Commutativity and Commutative Pairs of Some Differential Equations. Communications in Mathematics and Applications, [S. l.], v. 9, n. 4, p. 689–703, 2018. DOI: 10.26713/cma.v9i4.901. Disponível em: http://rgnpublications.com/journals/index.php/cma/article/view/901. Acesso em: 24 nov. 2024.