Ukhina, Hanna, Valeriy Sytnikov, and Kostiantyn Puts. “STABILITY EVALUATION BASED ON THE SUSTAINABILITY TRIANGLE APPLICATION FOR TRANSFER FUNCTIONS ABOVE 2ND ORDER”. Advanced Information Systems 2, no. 4 (December 26, 2018): 49–54. Accessed May 2, 2024. http://ais.khpi.edu.ua/article/view/2522-9052.2018.4.08.