TY  - JOUR
AU  - Nguyen Khanh Toan
TI  - Some new properties of curves of the second order in the elliptic plane
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1958
SP  - 193
EP  - 202
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1958_6_a18/
LA  - ru
ID  - IVM_1958_6_a18
ER  -