1. N. Wiener and E. Hopf, Uber eine Klasse singularer Integralgleichungen Sitzungsber (Acad. Wiss., Berlin, 1932), pp. 696–706.
2. B. Noble, Methods Based on the Wiener-Hopf Technique for the Solution of Partial Differential Equations (Pergamon, Oxford, 1958; Inostrannaya Literatura, Moscow, 1962).
3. V. A. Babeshko and O. M. Babeshko, Dokl. Phys. 48, 134–137 (2003) [Dokl. Akad. Nauk 389, 184–188 (2003)].
4. V. A. Babeshko and O. M. Babeshko, Dokl. Math. 72, 630–633 (2005) [Dokl. Akad. Nauk 403, 28–32 (2005)].
5. I. Ts. Gokhberg and M. G. Krein, Usp. Mat. Nauk 13(2), 3–72 (1958).