ФЕДАК, Іван Васильович. ON ONE APPROXIMATION METHOD OF THE APPROACH SOLVING OF VOLTERRA LINEAR INTEGRAL EQUATIONS. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, [S. l.], n. 1(13), p. 36–38, 2019. Disponível em: https://pvntsh.nung.edu.ua/index.php/number/article/view/259. Acesso em: 6 dec. 2025.