Chiu, Kuo-Shou. “New Existence and Exponential Stability Results for Periodic Solutions in Recurrent Neural Networks With Generalized Piecewise Constant Delay via Coincidence Degree Theory”. Mathematical Modelling and Analysis 31, no. 3 (June 18, 2026): 476–498. Accessed June 21, 2026. https://journals.vilniustech.lt/index.php/MMA/article/view/25296.