Miroshnychenko, V. O. “Generalized Least Squares Estimates for Mixture of Nonlinear Regressions”. Bulletin of Taras Shevchenko National University of Kyiv. Physics and Mathematics, no. 3 (August 8, 2018): 25–29. Accessed October 16, 2026. https://bphm.knu.ua/bphm/article/view/142.