TY  - JOUR
AU  - Helfenstein, H. G.
TI  - A Flat Nonmetrizable Connexion
JO  - Canadian mathematical bulletin
PY  - 1972
SP  - 205
EP  - 206
VL  - 15
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-037-2/
DO  - 10.4153/CMB-1972-037-2
ID  - 10_4153_CMB_1972_037_2
ER  -