00640naa#a2200193#i#450# EN\\bibl\12662 20241116135930.6 2409-7829 20160704b2016####ek#y0engy0150####ca RUS RU HERFINDAHL INDEX DYNAMICS IN SOME INFORMETRIC SYSTEMS Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2016 3 с. Journal article local Novikov Arthur Igorevich Drapalyuk M. Novikova Tatyana Petrovna naukaru.ru