TY  - JOUR
AU  - G. F. Laptev
TI  - Hypersurface in the space of projective connection
JO  - Doklady Akademii Nauk
PY  - 1958
SP  - 41
EP  - 44
VL  - 121
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1958_121_1_a9/
LA  - ru
ID  - DAN_1958_121_1_a9
ER  -