1. 1. Riemann, B. (1948). Collected Works. Moscow: Gostehizdat (in Russian).
2. 2. Gorbachuk, V. I. & Gorbachuk, M. L. (1981). Trigonometric series and generalized periodic functions. Dokl. AN SSSR, 257, No. 4, pp. 799-803 (in Russian).
3. 3. Gorbachuk, V. I. (1982). On the Fourier series of periodic ultra-distributions. Ukr. Math. J., 34, No. 2, pp. 118-123 (in Russian).
4. 4. Izvekov, I. G. (1986). The Riemann localization principle for Fourier series in spaces of generalized functions. Dokl. AN SSSR. Ser. A, No. 2, pp. 5-8 (in Russian).
5. Die Randverteilungen analytischer Funktionen und Distributionen;Tillmann;Math Z,1953