PARAJDI, Lorand Gabriel; PRECUP, Radu. Analysis of a planar differential system arising from hematology. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 63, n. 2, p. 235–244, 2018. DOI: 10.24193/subbmath.2018.2.07. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/2068. Acesso em: 5 feb. 2025.