%0 Journal Article %T Mathematical modelling of process it pressure tests of the cavity by introduction of gas %A Khusainov, I.. %K a gas, a porous environment, a filtration, a field of pressure. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov