TY  - JOUR
AU  - N. M. Poluboyarova
TI  - Relations between length and instability of tubular extremal surfaces
JO  - Ufa mathematical journal
PY  - 2021
SP  - 77
EP  - 84
VL  - 13
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/UFA_2021_13_1_a6/
LA  - en
ID  - UFA_2021_13_1_a6
ER  -