TY  - JOUR
AU  - Simon Newcomb
TI  - Elementary theorems relating to the geometry of a space of three dimensions and of uniform positive curvature in the fourth dimension.
JO  - Journal für die reine und angewandte Mathematik
PY  - 1877
SP  - 293
EP  - 299
VL  - 83
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JRAM_1877__83_148341/
ID  - JRAM_1877__83_148341
ER  -