TY CONF TI AUTOREGRESSION MODEL ACCORDING TO THE DATA OF THE IMPORT COMPONENT OF CUSTOMS PAYMENTS KW econometrics KW time series KW modeling KW forecasting KW autoregressive model KW customs payments JO Problems of Economics and Economic Security in the Russian Federation in the Context of Digitalization AU Tsvil, M.M. AU Velikanova, E.S. PY 2024 PB AUS PUBLISHERS