ГУРГУЛА, Степан Іванович. ABOUT STABLITY OF THE TRIVIAL SOLUTION OF A SYSTEM WITH IMPULSE ACTION. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, [S. l.], n. 1(21), p. 36–40, 2019. Disponível em: https://www.pvntsh.nung.edu.ua/index.php/number/article/view/178. Acesso em: 20 dec. 2025.