ŠVITRA, D.; RETKUTE, R. The analysis of chemical kinetics equations with time delay. Mathematical Modelling and Analysis, [S. l.], v. 5, n. 1, p. 175–180, 2000. DOI: 10.3846/13926292.2000.9637140. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/9956. Acesso em: 9 may. 2025.