Lenka, Bichitra Kumar, and Swaroop Nandan Bora. “New Formulation of Lyapunov Direct Method for Nonautonomous Real-Order Systems”. Nonlinear Analysis: Modelling and Control, vol. 30, no. 2, Jan. 2025, pp. 196-11, https://doi.org/10.15388/namc.2025.30.38471.