ГУЛЬКА, Степан Степанович. THE METHOD OF PART MIDDLING IN THE INTEGRAL-DIFFERENTIAL SYSTEMS WITH DOUBLE IMPULSIVE ACTION. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, [S. l.], n. 1(9), p. 9–13, 2019. Disponível em: https://pvntsh.nung.edu.ua/index.php/number/article/view/279. Acesso em: 11 apr. 2025.