Gadetska , S. ., Dubnitskiy , V. ., Khodyrev , A. ., & Shkodina, I. . (2022). Excel-oriented calculator for financial flows stability diagnostics under batch data processing by chebyshev polynomials . Advanced Information Systems, 6(4), 30–44. https://doi.org/10.20998/2522-9052.2022.4.05