Zhao, Xiaopeng, Fengnan Liu, and Bo Liu. “Finite Element Method for a Nonlinear Differential Equation Describing Crystal Surface Growth”. Mathematical Modelling and Analysis 19, no. 2 (April 15, 2014): 155-168. Accessed November 13, 2024. https://btp.vgtu.lt/index.php/MMA/article/view/3277.