On the Steadfastness of the Least-Square Reverse-Time Migration Wavefield Extrapolation via 1st-Order Riemannian Axis Finite-Difference Solver. CENG [Internet]. 2026 May 8 [cited 2026 May 9];2(1):42-56. Available from: https://pub.iconclusions.com/index.php/ce/article/view/36