On behavior of solutions to some differential systems partially solved with respect to derivatives in the case of a pole. Neliniini Kolyvannya, [S. l.], v. 20, n. 1, p. 113–126, 2017. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/859. Acesso em: 8 dec. 2025.