1. |
Javed Alam, Hari Shankar Prasad, Rakesh Ranjan, “A novel fitted method for a class of singularly perturbed differential-difference equations with small delay exhibiting twin layer or oscillatory behaviour”, Zh. Vychisl. Mat. Mat. Fiz., 63:12 (2023), 2158 ; Comput. Math. Math. Phys., 63:12 (2023), 2528–2550 |