1. Series of Faber Polynomials;Suetin,1998
2. Grundzüge einer allgemeinen Theorie der linearen Integralgleichungen;Hilbert,1912
3. On a boundary value problem;Privalov;Mat. Sb.,1934
4. Boundary Value Problems;Gakhov,1990
5. R-linear and Riemann-Hilbert problems for multiply connected domains;Mityushev,2012