Gupta, Shefali; Bhatia, Sumit Kaur; Arya, Naina Effect of incubation delay and pollution on the transmission dynamics of infectious disease. (English) Zbl 1518.34087 Ann. Univ. Ferrara, Sez. VII, Sci. Mat. 69, No. 1, 23-47 (2023). MSC: 34K60 92D30 34K21 34K20 34K25 34K18 34K13 PDFBibTeX XMLCite \textit{S. Gupta} et al., Ann. Univ. Ferrara, Sez. VII, Sci. Mat. 69, No. 1, 23--47 (2023; Zbl 1518.34087) Full Text: DOI
Gabsi, Hocine; Ardjouni, Abdelouaheb; Djoudi, Ahcene Existence of positive periodic solutions of nonlinear neutral differential systems with variable delays. (English) Zbl 1397.34115 Ann. Univ. Ferrara, Sez. VII, Sci. Mat. 64, No. 1, 83-97 (2018). Reviewer: Zdzisław Dzedzej (Gdansk) MSC: 34K13 47H10 47H11 34K40 PDFBibTeX XMLCite \textit{H. Gabsi} et al., Ann. Univ. Ferrara, Sez. VII, Sci. Mat. 64, No. 1, 83--97 (2018; Zbl 1397.34115) Full Text: DOI