TrifonovJ. and TrifonovP. 2022. Semi-Nonparametric Generalized Autoregressive Conditional Heteroscedasticity Model with Application to Bitcoin Volatility Estimation. HSE Economic Journal. 26, 4 (Mar. 2022), 623-646. DOI:https://doi.org/10.17323/1813-8691-2022-26-4-623-646.