Singular integrals.

Approximation by multivariate singular integrals by: (Language materials, printed)

Extremal problems in interpolation theory, Whitney-Besicovitch coverings, and singular integrals by: (Language materials, printed)

Multi-parameter singular integrals by: (Language materials, printed)

Probability Theory and Stochastic Processes.

Integral Transforms, Operational Calculus.

Extremal problems (Mathematics)

Approximations and Expansions.

Partial Differential Equations.

Transformations (Mathematics).

Singular integrals.

Mathematics.

Real Functions.

Interpolation.

Functional Analysis.