1. Zhizhiashvili L. V., “Some problems in the theory of simple and multiple trigonometric and orthogonal series,” Russian Math. Surveys, vol. 28, no. 2, 65–127 (1973).
2. Golubov B. I., “Multiplier series and Fourier integrals,” in: Mathematical Analysis [Russian], VINITI, Moscow, 1982, vol. 19, 3–54 (Itogi Nauki i Tekhniki).
3. Konyagin S. V., “On the divergence of the sequence of the partial sums of multiple trigonometric Fourier series,” Proc. Steklov Inst. Math., vol. 190, 107–121 (1992).
4. Fefferman C., “On the convergence of multiple Fourier series,” Bull. Amer. Math. Soc., vol. 77, no. 5, 744–745 (1971).
5. Tevzadze N. P., “On the convergence of the double Fourier series of a square summable function,” Soobshch. Akad. Nauk Gruz. SSR, vol. 58, no. 2, 277–279 (1970).