TY JOUR TI A solving problem for third-order equation of sobolev type by cascaudian decomposition method KW third-order equation of Sobolev-type KW descriptor equation KW fredholm operator KW cascadian decomposition. JO Actual directions of scientific researches of the XXI century: theory and practice AU Zubova, S.. AU Uskov, V.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov