Гургула, С. І. and Собкович, Р. І. (2019) “INVESTIQATION OF THE STABILITY OF SOLUTIONS OF DIFFERENTIAL EQUATIONS WITH IMPULSE ACTION BU THE SECOND LIAPUNOV’S METHOD”, PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, (1(17), pp. 120–126. Available at: https://www.pvntsh.nung.edu.ua/index.php/number/article/view/238 (Accessed: 16 February 2026).