Delone, B. N.; Sandakova, N. N.; Ryshkov, S. S. Optimal cubature lattice for functions of two variables that are smooth on all sides. (English. Russian original) Zbl 0136.43201 Sov. Math., Dokl. 6, 836-839 (1965); translation from Dokl. Akad. Nauk SSSR 162, 1230-1233 (1965). PDF BibTeX XML Cite \textit{B. N. Delone} et al., Sov. Math., Dokl. 6, 836--839 (1965; Zbl 0136.43201); translation from Dokl. Akad. Nauk SSSR 162, 1230--1233 (1965)
Delone, B. N. A supplement to my paper of 1933 on the reduction of a crystallographic lattice. (English. Russian original) Zbl 0134.23703 Sov. Math., Dokl. 6, 449-452 (1965); translation from Dokl. Akad. Nauk SSSR 161, 511-514 (1965). PDF BibTeX XML Cite \textit{B. N. Delone}, Sov. Math., Dokl. 6, 449--452 (1965; Zbl 0134.23703); translation from Dokl. Akad. Nauk SSSR 161, 511--514 (1965)