KALITA, E. A. Morrey Regularity of Solutions of Nonlinear Elliptic Systems of Arbitrary Order with Restrictions on the Modulus of Ellipticity. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 54, n. 11, p. 1452–1466, 2002. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4184. Acesso em: 27 apr. 2025.