Budapest, Hungarian Academy of Sciences, 1904.
This is a reprint of the second volume the second edition of Farkas Bolyai's 'Tentamen', which conatined János Bolyai's discovery of non-Euclidean geoemtry as an appendix (pp.359-394 and 7 plates).
Unabridged reprint of János Boyai's famous appendix to his fathers treatise in which he first announced his discovery of non-Euclidean geometry.
Order-nr.: 34850