Legal full-text edition
Geometria non euclidea
Geometry, Non-EuclideanGeometry, Non-Euclidean. Non-Euclidean geometry; a critical and historical studyHyperbolic Geometry
Rights
Public-domain status shown for US. Open Library Read API reports full access; scan publication year 1912 is within the US public-domain cutoff
Public-domain status shown for US. Open Library Read API reports full access; scan publication year 1912 is within the US public-domain cutoff