Kutovyi, Viktor, Olga Katunina, and Oleg Shutovskyi. “Analysis of the Multicollinear Econometric Model Parameters With a Rank Deficient Observation Matrix”. Transfer of innovative technologies 1, no. 1 (March 30, 2018): С. 75–78. Accessed November 25, 2024. http://tit.knuba.edu.ua/article/view/147673.