TY JOUR TI A set of non-smooth multivalent guiding functions in the periodic problem for some classes of differential inclusions KW differential inclusion KW periodic solutions KW a set of non-smooth multivalent guiding functions KW topological degree. JO Actual directions of scientific researches of the XXI century: theory and practice AU Kornev, S.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov