TY JOUR TI Probabilistic model of limited period liquidity goods sales dynamics KW liquidity KW period of liquidity KW moments of goods production KW moments of buying activity KW sales volume KW probability-generating function KW probability density function KW expected value JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Mikheev, A.. PY 2023 IS 2023 PB Astrakhan State Technical University