Ryshkov, S. S. Effectuation of a method of Davenport in the theory of coverings. (English. Russian original) Zbl 0157.52604 Sov. Math., Dokl. 8, 865-867 (1967); translation from Dokl. Akad. Nauk SSSR 175, 303-305 (1967). PDFBibTeX XMLCite \textit{S. S. Ryshkov}, Sov. Math., Dokl. 8, 865--867 (1967; Zbl 0157.52604); translation from Dokl. Akad. Nauk SSSR 175, 303--305 (1967)
Delone, B. N.; Ryshkov, S. S. A contribution to the theory of the extrema of a multidimensional \(\zeta\)-function. (English. Russian original) Zbl 0155.09301 Sov. Math., Dokl. 8, 499-503 (1967); translation from Dokl. Akad. Nauk SSSR 173, 991-994 (1967). PDFBibTeX XMLCite \textit{B. N. Delone} and \textit{S. S. Ryshkov}, Sov. Math., Dokl. 8, 499--503 (1967; Zbl 0155.09301); translation from Dokl. Akad. Nauk SSSR 173, 991--994 (1967)