TY - JOUR AU - A. Kh. Khachatryan AU - Kh. A. Khachatryan TI - On solvability of one infinite system of nonlinear functional equations in the theory of epidemics JO - Eurasian mathematical journal PY - 2020 SP - 52 EP - 64 VL - 11 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EMJ_2020_11_2_a5/ LA - en ID - EMJ_2020_11_2_a5 ER -