Horbunov, Daniel, and Rostyslav Maiboroda. “Cross-Validation for Local-Linear Regression by Observations from Mixture”. Bulletin of Taras Shevchenko National University of Kyiv. Physics and Mathematics, no. 1, July 2023, pp. 37-43, https://doi.org/10.17721/1812-5409.2023/1.5.