TY  - BOOK
AU  - Ryan,Patrick J.
TI  - Euclidean and non-Euclidean geometry: an analytical approach 
SN  - 0521276357
PY  - 1986///
CY  - New York
PB  - Cambridge University Press
KW  - Geometry, Plane
KW  - Geometry,  Non-Euclidean
N1  - Includes bibliography and index; Open access
ER  -