TY JOUR TI Differential equations for calculating the time of reformation multi raft KW differential equation system KW water delivery KW raft KW stage of reorganization JO Actual directions of scientific researches of the XXI century: theory and practice AU Chetverikova, I.. AU Skripets, A.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov