TY  - JOUR
AU  - Marko D. Leko
TI  - The Plane-Time in Which Paths of Inertional Motions Are Conics
JO  - Zbornik radova
PY  - 1984
SP  - 113 
VL  - 4
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZR_1984_4_12_a12/
LA  - en
ID  - ZR_1984_4_12_a12
ER  -