Vabishchevich, Petr N. “Numerical Solving Unsteady Space-Fractional Problems With the Square Root of an Elliptic Operator”. Mathematical Modelling and Analysis 21, no. 2 (March 18, 2016): 220-238. Accessed April 26, 2024. https://journals.vilniustech.lt/index.php/MMA/article/view/807.