Non-Euclidean geometry /
Bonola, Roberto, 1874-1911.
Non-Euclidean geometry / Roberto Bonola. - New York : Dover Pub. Inc., 1955. - xii, 268, xxx, 71, 50 p. : ill. ; 21 cm.
0486600270
Geometry, Hyperbolic.
Non-Euclidean geometry / Roberto Bonola. - New York : Dover Pub. Inc., 1955. - xii, 268, xxx, 71, 50 p. : ill. ; 21 cm.
0486600270
Geometry, Hyperbolic.
