TY JOUR TI The definition of support gas pressure by differential equations in partial derivatives KW a gas strut KW the pressure of the gas layer KW the differential equation KW the carrying capacity JO Actual directions of scientific researches of the XXI century: theory and practice AU Vishtak, I.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov