TY  - BOOK
AU  - Sossinsky A B
AU  - Sossinsky A B
TI  - Geometries
SN  - 9781470425951 (pbk)
U1  - B6, Q6 
PY  - 2016///
CY  - Hyderabad
PB  - AMS       
KW  -  Half- plane model
KW  -  Hierarchy of geometries
KW  -  Spherical geometry
KW  - Geometry
N1  - Appendix  A-B  255-282p.; Answer and hints 283-296p.; Bibliography 297p.; Index 299- 301p
ER  -