Unconditional Basis Property of the System of Root Functions of a Differential Operator with Integral Boundary Conditionsстатья
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Дата последнего поиска статьи во внешних источниках: 23 августа 2019 г.
Аннотация:Conditions are established under which the Bessel inequality, the Riesz basis property
theorem, and the theorem about the unconditional basis property of the system of eigenfunctions
and associated functions hold true for an ordinary second-order differential operator
on an interval of the real line with integral boundary conditions.