TY JOUR TI Mathematical model of the problem of formation and correction of academic classes at the university KW mathematical model KW timetable KW constraints KW objective function JO Modeling of systems and processes AU Saschenko, D.L. AU Oleynikova, S.A. AU Storozheva, D.I. AU Nedikova, T.N. PY 2026 IS 19 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov