TY JOUR TI MATHEMATICAL MODEL OF DETERMINING THE DEGREE OF ATMOSPHERIC POLLUTION BY EMISSIONS OF CHEMICAL SUBSTANCES KW mathematical model KW turbulent diffusion equation KW difference scheme KW numerical method JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Kusheleva, E.. AU Barulina, M.. AU Bogomolov, A.. AU Ivashchenko, V.. AU Kushnikov, V.. AU Kushnikova, E.. AU Rezchikov, A.. AU Filimonyuk, L.. PY 2018 IS PB Astrakhan State Technical University