N. I. Lobachevskii, “Algebra or calculus of finite quantities (excerpts)”, Uspekhi Mat. Nauk, 1946, Volume 1, Issue 1(11),Pages <nobr>22

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Uspekhi Mat. Nauk, 1946 Volume 1, Issue 1(11), Pages 22–26 (Mi rm7012)

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

Algebra or calculus of finite quantities (excerpts)

N. I. Lobachevskii