LI, Yongkun; ZHAO, Kaihong. 2 n positive periodic solutions to n species non‐autonomous Lotka‐volterra unidirectional food chains with harvesting terms. Mathematical Modelling and Analysis, [S. l.], v. 15, n. 3, p. 313–326, 2010. DOI: 10.3846/1392-6292.2010.15.313-326. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/6027. Acesso em: 9 may. 2025.