BAROTOV, D. N.; BAROTOV, R. N. On one criterion of expressibility of functions of a system of linear differential equations with constant coefficients in the form of linear combinations of derivatives of one function included in this system. Numerical Methods and Programming (Vychislitel’nye Metody i Programmirovanie), [S. l.], v. 24, p. 260–274, 2023. DOI: 10.26089/NumMet.v24r319. Disponível em: https://en.num-meth.ru/index.php/journal/article/view/1287. Acesso em: 14 dec. 2025.