TY CONF TI ON VEKUA-ERDELYI-LOWNDES TYPE TRANSMUTATION KW transformation operator KW entanglement property KW integral operator KW kernel KW Vekua-Erdelyi-Lowndes operators KW Volterra operator KW intertwining operator JO OPERATOR EQUATIONS AND SOME RELATED ISSUES IN APPLIED MATHEMATICS AU Kayatskiy, A.V. AU Shishkina, E.L. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov