1. N. Muskhelishvili, Singular Integral Equations (Nauka, Moscow, 1968) [in Russian].
2. F. D. Gakhov, Boundary-Value Problems (Nauka, Moscow, 1977) [in Russian].
3. B. G. Gabdulkhaev, Direct Methods for Solving Singular Integral Equations of the First Kind (Kazan. Gos. Univ., Kazan, 1994) [in Russian].
4. L. E. Khairullina, “Uniform convergence of approximate solutions of a singular integral equation of the first kind with a Cauchy kernel,” Cand. Sci. (Phys. Math. ) Dissertation (Kazan, 2011).
5. A. V. Ozhegova, “Uniform approximations of solutions of weakly-singular integral equations of the first kind,” Cand. Sci. (Phys. Math. ) Dissertation (Kazan, 1996).