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ON THE RIESZ MEANS OF EXPANSIONS IN EIGENFUNCTIONS AND ASSOCIATED FUNCTIONS OF A NONSELFADJOINT ORDINARY DIFFERENTIAL OPERATORстатья
- Автор: Tihomirov V.V.
- Сборник: Mathematics of the USSR-Sbornik
- Серия: 31
- Том: 29
- Год издания: 1977
- Место издания: USSR
- DOI: 10.1070/SM1977v031n01ABEH002455
- Аннотация: For any function $ f(x)\in L_1$, the connection between the Riesz means of expansions of $ f(x)$ in a trigonometric series and in a biorthogonal series in the eigenfunctions and associated functions of a nonselfadjoint differential operator of order $ 2n$ is studied.
- Добавил в систему: Тихомиров Василий Васильевич