@article{COMIM_2021__29_3_a13, author = {Shoyimardonov, Sobirjon K.}, title = {A non-linear discrete-time dynamical system related to epidemic {SISI} model}, journal = {Communications in Mathematics}, pages = {505--525}, publisher = {mathdoc}, volume = {29}, number = {3}, year = {2021}, mrnumber = {4355425}, zbl = {07484384}, language = {en}, url = {http://geodesic.mathdoc.fr/item/COMIM_2021__29_3_a13/} }