From Wikipedia, the free encyclopedia

As far as I remember, Lobachevsky gave formulae for volumes in his space. Maybe he did this one also. It needs checking in his collected works JFB80 ( talk) 16:31, 20 January 2014 (UTC) reply

From Wikipedia, the free encyclopedia

As far as I remember, Lobachevsky gave formulae for volumes in his space. Maybe he did this one also. It needs checking in his collected works JFB80 ( talk) 16:31, 20 January 2014 (UTC) reply


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