TY JOUR TI Solving the complex extensions of the korteweg – de vries equation KW nonlinear equation in partial derivatives KW a pair of Lacquer-sa KW the method Hirota KW soliton solution JO Actual directions of scientific researches of the XXI century: theory and practice AU Redkina, T.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov