KURTA , V. V. Behaviour of solutions of quasilinear elliptical equations of the second order in nonrestricted regions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 2, p. 279–283, 1992. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/7843. Acesso em: 6 dec. 2025.