ŠVITRA, Donatas. Modified logistic differential equation of neutral type with time delay. Lietuvos matematikos rinkinys, [S. l.], v. 43, n. spec., p. 156–158, 2003. DOI: 10.15388/LMR.2003.34025. Disponível em: https://www.journals.vu.lt/LMR/article/view/34025.. Acesso em: 21 may. 2024.