TY  - BOOK
AU  - Klen,Riku
TI  - On hyperbolic type metrics
SN  - 9514109902
PY  - 2009///
CY  - Helsinki
PB  - Suomalainen Tiedeakatemia
KW  - Mathematics
KW  - Geometry
KW  - Geometry, Hyperbolic
N1  - Includes bibliogr. references : (p. 48-49)
ER  -