NGUYEN, Bich Huy; Bùi Thế Quân. EXISTENCE OF NONTRIVIAL NONNEGATIVE WEAK SOLUTIONS FOR A CLASS OF LOGISTIC-TYPE SYSTEMS. Ho Chi Minh City University of Education Journal of Science, [S. l.], v. 22, n. 3, 2025. DOI: 10.54607/hcmue.js.22.3.4505(2025). Disponível em: https://journal.hcmue.edu.vn/index.php/hcmuejos/article/view/4505. Acesso em: 7 mar. 2026.