@article{UZERU_2020_54_2_a1,
     author = {M. H. Avetisyan},
     title = {On solvability of a nonlinear discrete system in the spread theory of infection},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {87--95},
     publisher = {mathdoc},
     volume = {54},
     number = {2},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2020_54_2_a1/}
}