ІВАН ВАСИЛЬОВИЧ. SOME SUBSTANDARD METHODS OF THE SOLUTION OF EQUATIONS AND PROOF OF INEQUALITIES: Array. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY Number, [S. l.], n. 1(5), p. 46–52, 2019. Disponível em: https://pvntsh.nung.edu.ua/index.php/number/article/view/311. Acesso em: 2 feb. 2023.