The Cauchy problem for a system of linear inhomogeneous first-order differential equations with rectangular matrices and one impulse action at a fixed moment of time. Neliniini Kolyvannya, [S. l.], v. 27, n. 1, p. 64–82, 2024. DOI: 10.3842/nosc.v27i1.1454. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/1130. Acesso em: 21 jan. 2026.