1. N. I. Akhiezer, Lectures on Integral Transforms, Amer. Math. Soc., Providence (1988).
2. A. V. Antonets and Yu. V. Gandel’, “Numerical analysis of hypersingular integral equations of diffraction problems over plane screens,” Vestnik Kharkiv Nats. Univ. Ser. Mat. Model., Inform. Tech., Aut. Contr. Sys., 1, No. 590, 9–14 (2003).
3. V. S. Bulygin, “The third scalar boundary-value problem of the mathematical theory of the diffraction over plane screens and its discrete mathematical model,” Vestnik Kharkiv Nats. Univ. Ser. Mat. Model., Inform. Tech., Aut. Contr. Sys., 7, No. 775, 62–72 (2007).
4. V. S. Bulygin and Yu. V. Gandel’, “Boundary-value problems for 3D Helmholtz equations, boundary pseudodifferential equations, and numerical experiment,” Boundary-Value Problems for Differential Equations, No. 17, 210–234 (2008).
5. O. Dumbrajs, Yu. V. Gandel’, K. Schuenemann, G. I. Zaginaylov, and A. S. Kononenko, “Full wave analysis of coaxial cavity gyrotrons,” Proc. Tenth Triennial ITG-Conf. on Displays and Vacuum Electronics, Garmisch-Partenkirchen, 75–80 (2004).