00665naa#a2200193#i#450# EN\\bibl\2885 20241203144028.2 2308-8877 20140616b2014####ek#y0engy0150####ca RUS RU Exploring the gibbs effect in approximation of discontinuous functions and processing contrast images Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 4 с. Journal article local Danilova K. Filimonenkova N. Mironova P. zh-szf.ru