Grigoriev, Yuri D., Viatcheslav B. Melas, and Petr V. Shpilev. “Excess of Locally D-Optimal Designs and Homothetic Transformations”. Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy 4, no. 4 (August 20, 2020): 552–562. Accessed May 18, 2024. https://math-mech-astr-journal.spbu.ru/article/view/8627.