ГУРГУЛА, Степан Іванович; СОБКОВИЧ, Роман Іванович. STABILITY OF SOLUTIONS OF SYSTEMS WITH IMPULSIVE ACTIONS. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, [S. l.], n. 1(13), p. 30–35, 2019. Disponível em: https://pvntsh.nung.edu.ua/index.php/number/article/view/258. Acesso em: 6 dec. 2025.