00627naa#a2200181#i#450# EN\\bibl\3134 20241124141255.7 2308-8877 20140617b2014####ek#y0engy0150####ca RUS RU Approximation by finite dimension linear systems in problems of quadratic exponential interpolation Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 3 с. Journal article local Sitnik S. Timashov A. naukaru.ru