TY JOUR TI TO THE QUESTION OF AERODYNAMICS HULLS TRANSPORT AND CARGO AIRSHIPS DESIGNED FOR THE FOREST COMPLEX KW transport development of forests KW hybrid airships KW air transport of forests KW aerodynamics KW hull flow JO Forestry Engineering Journal AU Abuzov, A.V. AU Grigor'ev, I.V. AU Abuzov, Y.A. PY 2022 IS 12 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov