00550naa#a2200169#i#450# EN\\bibl\9382 20250421090456.1 2308-8877 20151105b2015####ek#y0engy0150####ca RUS RU On boundedness of Bessel singular integrals Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 5 с. Journal article local Dadasheva I. anni.editorum.ru