Nonlocal problems with generalized Samarskii-Ionkin condition for some classes of nonstationary differential equations. (English. Russian original) Zbl 1518.35431
Dokl. Math. 107, No. 1, 40-43 (2023); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 509, 50-53 (2023).