TY  - GEN
AU  - Ryan, Patrick J
TI  - Euclidean and non-euclidean geometry: an analytic approach 
SN  - 052127635 7
U1  - 516 
PY  - 1994///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Geometry
N1  - Includes bibliographical references and index
ER  -