Lepin, Arnold, Leonid Lepin, and Nickolay Vasilyev. “On Boundary Value Problems for ϕ-Laplacian on the Semi-Infinite Interval”. Mathematical Modelling and Analysis 22, no. 1 (January 11, 2017): 52-59. Accessed November 25, 2024. https://jcem.vgtu.lt/index.php/MMA/article/view/873.