TY JOUR TI A conceptual approach to defining criteria for identifying priority areas of scientific and technological development in the economy KW high-tech products KW scientific and technical potential KW product life cycle KW technology life cycle KW critical technologies JO Vestnik of Astrakhan State Technical University. Series: Economics AU Deviatkov, A.V. AU Erygin, Y.V. PY 2026 IS 2026 PB Astrakhan State Technical University