For citations:

Glazyrina O.V., Dautov R.Z., Gubaidullina D.A. Accuracy of an implicit scheme for the finite element method with a penalty for a nonlocal parabolic obstacle problem. Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika. 2024;(2):3-21. (In Russ.) https://doi.org/10.26907/0021-3446-2024-2-3-21