Hosseini S, Saiedinezhad S. Application of Lipschitz viscosity solutions for higher-order partial differential equations containing the special Lagrangian operator. Tamkang J. Math. [Internet]. 2025 Jun. 6 [cited 2025 Oct. 10];. Available from: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/5585