Erman, Sertaç, and Ali Demir. “A Novel Approach for the Stability Analysis of State Dependent Differential Equation”. Communications in Mathematics and Applications 7, no. 2 (November 4, 2016): 105–113. Accessed April 29, 2024. https://www.rgnpublications.com/journals/index.php/cma/article/view/373.