TY JOUR TI On the complete observability of the descriptor dinamic system KW the dynamical system,the trajectory KW state function KW control KW function the complete controlability KW the method of undetermined coefficients. JO Actual directions of scientific researches of the XXI century: theory and practice AU Raetskiy, K.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov