%0 Journal Article
%A Schwerdtfeger, H.
%T 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.
%J Canadian mathematical bulletin
%D 1966
%P 117-117
%V 9
%N 1
%U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500027417/
%R 10.1017/S0008439500027417
%F 10_1017_S0008439500027417