Root mean square error estimates for the projection-difference method for the approximate solution of a parabolic equation with a periodic condition for the solution. (English. Russian original) Zbl 1515.65239
J. Math. Sci., New York 272, No. 6, 866-871 (2023); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 175, 118-123 (2020).