J Guan, L Wu, M Chen, X Dong, H Tang… - italian journal of pure …, 2017 - ijpam.uniud.it
This paper studied the dengue fever model with time delay. This paper divided the time
delay into four cases:(1) т1= т2= 0,(2) т1= т, т2= 0,(3) т1= 0, т2= т,(4) т1= т, т2= т, and …