TY  - JOUR
AU  - A. D. Aleksandrov
AU  - V. V. Strel'cov
TI  - The isoperimetric problem and extimates of the length of a~curve on a~surface
JO  - Informatics and Automation
PY  - 1965
SP  - 67
EP  - 80
VL  - 76
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1965_76_a5/
LA  - ru
ID  - TRSPY_1965_76_a5
ER  -