Іван Васильович. “SOME SUBSTANDARD METHODS OF THE SOLUTION OF EQUATIONS AND PROOF OF INEQUALITIES: Array”. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY Number, no. 1(5) (March 8, 2019): 46–52. Accessed February 2, 2023. https://pvntsh.nung.edu.ua/index.php/number/article/view/311.