TY CONF TI A LIMITED TRANSPORT TASK KW The transport task KW the method of potentials KW the optimal plan JO OPERATOR EQUATIONS AND SOME RELATED ISSUES IN APPLIED MATHEMATICS AU Venevitina, S.S. AU Sapronov, I.V. AU Spirina, N.M. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov