TY JOUR TI Theoretical and methodological approaches to the formation of the concept of cybersocial innovation systems KW cybersocial systems KW innovation ecosystems KW digital transformation KW quadruple helix KW innovation methodology KW knowledge management KW network economy JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Tyukavkin , N.. AU Gnatyshina, E.I. PY 2026 IS PB ITBO University