Avetisyan M. ON SOLVABILITY OF A NONLINEAR DISCRETE SYSTEM IN THE SPREAD THEORY OF INFECTION. Proc. YSU A: Phys. Math. Sci. [Internet]. 2020 Aug. 17 [cited 2024 May 18];54(2 (252):87-95. Available from: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol54_no2_2020_pp087-095