TY JOUR TI Computer simulation of the geometric structure of carbon group clusters KW computer simulation KW density functional theory KW atomic clusters KW anionic clusters. JO Actual directions of scientific researches of the XXI century: theory and practice AU Sukmanova, M.. AU Geraskina, E.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov