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JOURNALS
// Uspekhi Matematicheskikh Nauk
// Archive
Uspekhi Mat. Nauk,
1950
Volume 5,
Issue 5(39),
Pages
165–167
(Mi rm8480)
Scientific notes and problems
On coverings of the two-dimensional sphere
O. V. Lokutsievskii
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Steklov Math. Inst. of RAS
, 2026
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