Non-Euclidean geometry:

Bonola, Roberto 1874-1911.

Non-Euclidean geometry: a critical and historical study of its development/ Robert Bonola & John Bolyai - New York: Dover Publications, 1955 - various pages. ; ill. ; 21 cm.

0486600270

55014932


Geometry

QA 685 / .B66 1955

513.8
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