TY  - JOUR
AU  - E. G. Smoljanova
TI  - Transformation of the branches of a hyperbola into its small fragment
JO  - Matematičeskoe obrazovanie
PY  - 2019
SP  - 58
EP  - 62
VL  - 92
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MO_2019_92_4_a5/
LA  - ru
ID  - MO_2019_92_4_a5
ER  -