Korobov, N. M. Multiple trigonometric sums. (Russian) Zbl 0481.10038 Vestn. Mosk. Univ., Ser. I 1981, No. 5, 22-29 (1981). MSC: 11L40 PDFBibTeX XMLCite \textit{N. M. Korobov}, Vestn. Mosk. Univ., Ser. I 1981, No. 5, 22--29 (1981; Zbl 0481.10038)
Kamilov, M. Kh. A generalization of a theorem of I. M. Vinogradov. (Russian) Zbl 0461.10036 Dokl. Akad. Nauk Tadzh. SSR 24, 7-8 (1981). Reviewer: Štefan Porubský (Praha) MSC: 11J71 11L40 PDFBibTeX XMLCite \textit{M. Kh. Kamilov}, Dokl. Akad. Nauk Tadzh. SSR 24, 7--8 (1981; Zbl 0461.10036)