The fine spectra of some Cesàro generalized operators defined on ().
About one fixed point theorem.
On the fine spectra of some averaging operators.
Boundness of Cesàro means operators.
The fine spectra discrete Cesàro operator on .
In memoriam of Associate Professor Ph. D. Luciana Lupaş.
About a second-order equation with variable coefficients.
On the characteristic equation of Chebyshev matrices.
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