TY JOUR TI METHODOLOGY OF INFORMATION PROCESSING TO DETERMINE THE RELATIVE DEGREE OF OBSOLESCENCE OF THE EQUIPMENT OF A TELECOM SERVICE PROVIDER KW analysis KW evaluation KW information processing KW obsolescence KW telecommunications equipment KW information transfer network KW telecommunications operator KW Internet provider KW decision making JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Sorokin, A.. PY 2018 IS 2018 PB Astrakhan State Technical University