Ivanov Dmitrii Yurievich «Stable solvability in spaces of differentiable functions of some twodimensional integral equations of heat conduction with an operator-semigroup kernel» // Tomsk State University Journal of Mathematics and Mechanics 2015. №6(38) C.33-45
Nesmeev Yu.A. «Theorem on conversing the complex variable function to zero» // 2009. №2 (6) C.35-40
