Štikonas, A. “The Root Condition for Polynomial of the Second Order and a Spectral Stability of finite‐difference Schemes for Kuramoto‐Tsuzuki Equation”. Mathematical Modelling and Analysis 3, no. 1 (December 15, 1998): 214-226. Accessed November 25, 2024. https://jau.vgtu.lt/index.php/MMA/article/view/10005.