- V. V Karachik, “Representation of the Green’s Function of the Dirichlet Problem for the Polyharmonic Equation in the Ball”, Differencialʹnye uravneniâ, 59, № 8, 2023, 1057
- V. V. Karachik, “Representation of the Green’s Function of the Dirichlet Problem for the Polyharmonic Equation in the Ball”, Diff Equat, 59, № 8, 2023, 1061