TY  - JOUR
AU  - Schwerdtfeger, H.
TI  - Nichteuklidische Geometrie, Hyperbolische Geometrie der Zbene by R. Baldus, 4th edition, completed by F. Lobell. Samrnlung Goscher. No. 970-970a. Walter de Gruyter, Berlin, 1964. 158 pages. Price DM 5. 80.
JO  - Canadian mathematical bulletin
PY  - 1966
SP  - 117
EP  - 117
VL  - 9
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0008439500027417/
DO  - 10.1017/S0008439500027417
ID  - 10_1017_S0008439500027417
ER  -