GRIGOR'EV, A. A.; GROMAK, V. I. The power expansions of the solutions of the first painlevé hierarchy. Mathematical Modelling and Analysis, [S. l.], v. 11, n. 4, p. 389–398, 2006. DOI: 10.3846/13926292.2006.9637326. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/9648. Acesso em: 17 may. 2025.