P. S. Aleksandrov, “N. I. Lobachevskii”, Uspekhi Mat. Nauk, 1946, Volume 1, Issue 1(11),Pages <nobr>11

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JOURNALS // Uspekhi Matematicheskikh Nauk // Archive

Uspekhi Mat. Nauk, 1946 Volume 1, Issue 1(11), Pages 11–14 (Mi rm7010)

By the 90th anniversary of the date of death of N. I. Lobachevskii

N. I. Lobachevskii

P. S. Aleksandrov