TY CONF TI DSL APPROACH TO THE DESIGN AND VALIDATION OF DOCUMENT APPROVAL ROUTES IN A DISTRIBUTED SYSTEM KW BPM KW ECM KW document routing KW DSL KW business processes KW flexibility KW validation KW approval KW business analyst KW adaptability JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2026 AU Kukueva, D.S. AU Tyunina, A.M. AU Kondusova, V.V. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov