Kirlitsa, Valery P. 2023. “D- and A-Optimal Designs of Experiments for Trigonometric Regression With Heteroscedastic Observations”. Journal of the Belarusian State University. Mathematics and Informatics, no. 2 (July): 35-44. https://doi.org/10.33581/2520-6508-2023-2-35-44.