Yermachenko, Inara. “Multiple Solutions of the BVB for two‐dimensional System by Extracting Linear Parts and Quasilinearization”. Mathematical Modelling and Analysis 13, no. 2 (June 30, 2008): 303-312. Accessed November 15, 2024. https://jbem.vgtu.lt/index.php/MMA/article/view/7014.