Asymptotic analysis of the general solution of a linear singularly perturbed system of higher order differential equations with degeneracies in the multidimensional case. Part 1. Neliniini Kolyvannya, [S. l.], v. 27, n. 3, p. 389–412, 2024. DOI: 10.3842/nosc.v27i3.1474. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/1155. Acesso em: 21 jan. 2026.