- Valery Karachik, “On Green’s Function of the Dirichlet Problem for the Polyharmonic Equation in the Ball”, Axioms, 12, no. 6, 2023, 543
- V. V Karachik, “Representation of the Green’s Function of the Dirichlet Problem for the Polyharmonic Equation in the Ball”, Differencialʹnye uravneniâ, 59, no. 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, no. 8, 2023, 1061