ПІТЕЙ, Н. А. NORMALIZATION OF AMERICAN-RUSSIAN RELATIONS DURING THE FIRST YEARS OF BARACK OBAMA`S PRESIDENCY. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY Idea, [S. l.], n. 5-6(41-42), p. 159–169, 2019. Disponível em: https://pvntsh.nung.edu.ua/index.php/idea/article/view/482. Acesso em: 11 dec. 2025.