Omuraliev AS, Abylaeva E. Singularly perturbed multidimensional parabolic equation with rapidly oscillating free term. Ukr. Mat. Zhurn. [Internet]. 2021 Dec. 17 [cited 2025 Dec. 13];73(12):1647-56. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/93